Founded in 1981
ISSN 1908 4889 (Print)
ISSN 2094 1501 (Online)
REQUIREMENTS FOR AUTHORSHIP
Each author should have participated sufficiently in the work to take public responsibility for its content. He or she should have made substantial contributions to all four of the following conditions: (1) a. conception or design of the work, or b. acquisition, or c. analysis and interpretation of data for the work; AND (2) a. drafting or b. revising the manuscript critically for important intellectual content; AND (3) Final approval of the version to be published; AND (4) Agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. General supervision of the research, advising or editing, collection of data, funding acquisition or statistical analysis do not constitute authorship.
CONFLICT OF INTEREST NOTIFICATION
To prevent information on potential conflict of interest for authors from being overlooked or misplaced, it is necessary for that information to be part of the manuscript. Each author is expected to disclose any type of financial or proprietary interest related to the manuscript, including (but not limited to) stock in or ownership of an entity connected to a product described in the paper, consultancy for the company or competing companies, honoraria, travel support or patent rights to a drug, instrument or equipment, or benefits derived from the use thereof. Conflict of Interest also includes “intellectual passion,” (the tendency to favor positions that one has already espoused or perhaps even established); personal relationships (the tendency to judge the works of friends/colleagues or competitors/foes differently because of the relationship); political or religious beliefs (the tendency to favor or reject positions because it affirms or challenges one’s political or religious beliefs); and institutional affiliations (the tendency to favor or reject results of research because of one’s institutional affiliations). Where no conflict of interest exists, a written statement should be made to that effect.
COPYRIGHT TRANSFER
CREATIVE COMMONS BY-NC-ND 4.0 LICENSE
Attribution – they must give appropriate credit, provide a link to the license, and indicate if changes were made. They may do so in any reasonable manner, but not in a way that suggests the licensor endorses them or their use.
NonCommercial – they may not use the material for commercial purposes.
NoDerivatives – if they remix, transform or build upon the material, they may not distribute the modified material.
OPEN ACCESS STATEMENT
This is an open access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author, as long as the terms of the Creative Commons Attribution- NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license are met. This is in accordance with the BOAI definition of open access.
HEALTH RESEARCH REGISTRATION
All clinical trials should be registered in a public trials registry at or before the time of first patient enrollment as a CONDITION for publication in the Philippine Journal of Otolaryngology Head and Neck Surgery. The ICMJE defines a clinical trial as any research project that prospectively assigns people or a group of people to an intervention, with or without concurrent comparison or control groups, to study the cause-and-effect relationship between a health-related intervention and a health outcome. Health-related interventions are those used to modify a biomedical or health-related outcome; examples include drugs, surgical procedures, devices, behavioural treatments, educational programs, dietary interventions, quality improvement interventions, and process-of-care changes. Health outcomes are any biomedical or health- related measures obtained in patients or participants, including pharmacokinetic measures and adverse events.
We accept registration in the Philippine Health Research Registry (PHRR) http://registry.healthresearch.ph, a publicly-available database of newly-approved health researches from 2012 onwards, or in any registry that is a primary register of the WHO International Clinical Trials Registry Platform (ICTRP) (http:// www.who.int/ictrp/network/en/), or in ClinicalTrials.gov, which is a data provider to the WHO ICTRP. Registration should be made immediately after Institutional Review Board or Ethics Review Board approval is obtained.
TITLE PAGE
The title page should include:
ABSTRACT AND KEYWORDS
A structured abstract should provide the context or background for the study and state the study’s purposes, basic procedures (selection of study participants or laboratory animals, settings, measurements, observational and analytical methods), main findings (giving specific effect sizes and their statistical and clinical significance, if possible), and principal conclusions. It should emphasize new and important aspects of the study or observations, note important limitations without overinterpreting findings, and reflect the content of the article. Generally it should have the following headings:
Clinical Trial Registration Number: List the clinical trial registration (if applicable).
Keywords: Provide 3 to 10 key words or short phrases that capture the main topics of the article to assist in cross-indexing. Terms from the Medical Subject Headings (MeSH) list of Index Medicus should be used; except when suitable MeSH terms are not yet available for recently introduced terms.
Laymanized Abstract: Provide a brief laymanized write-up of your abstract for non-medical readers, that can be linked to your article on social media. A short title that can be tweeted should accompany this version of the abstract.
TEXT
The following sections should generally be included:
Initiative Type of Study Source
CONSORT randomized controlled trials http://www.consort-statement.org
PRISMA systematic reviews and meta-analyses http://www.prisma-statement.org
STROBE observational studies in epidemiology http://www.strobe-statement.org
STARD studies of diagnostic accuracy http://www.stard-statement.org
CARE case reports http://www.care-statement.org
For studies involving human subjects, indicate whether Institutional Review Board (IRB) / Ethics Committee approval was granted (indicating the approval number), if procedures were in accord with the Helsinki Declaration revised in 2013 (https://www.wma.net/policies-post/ wma-declaration-of-helsinki-ethical-principles-for-medical-research-involving-human-subjects/), and whether informed consent was obtained. In addition to informed consent from parents or legal guardians, state whether assent was obtained from pediatric participants. For animal subjects, indicate whether the institution’s or National Research Council’s guide for the care and use of laboratory animals were followed.
ACKNOWLEDGEMENTS
All contributors who do not meet the criteria for authorship should be listed in the acknowledgments section. Examples of those who might be acknowledged include a person who provided purely technical help, statistical analysis, writing assistance, or a department chair who provided only general support. Authors should disclose whether they had writing assistance and identify the entity that paid for this assistance. Financial and material support should also be acknowledged. Groups of persons who have contributed materially to the paper but whose contributions do not justify authorship may be listed under a heading such as “clinical investigators” or “participating investigators,” and their function or contribution should be described—for example, “served as scientific advisors,” “critically reviewed the study proposal,” “collected data,” or “provided and cared for study patients.” Because readers may infer their endorsement of the data and conclusions, all persons so named must give written permission to be acknowledged.
REFERENCES
Provide direct references to original research sources whenever possible but avoid extensive lists of references to original work on a topic. Small numbers of references to key original papers will serve as well as more exhaustive lists, since electronic literature searching allows readers to retrieve published literature efficiently. Where available, Digital Object Identifiers (DOIs) or URLs for the references should be provided Avoid using abstracts as references. References to papers accepted but not yet published should be designated as “in press” or “forthcoming”; authors should obtain written permission to cite such papers as well as verification that they have been accepted for publication. Information from manuscripts submitted but not accepted should be cited in the text as “unpublished observations” with written permission from the source. Avoid citing a “personal communication” unless it provides essential information not available from a public source, in which case the name of the person and date of communication should be cited in parentheses in the text. For scientific articles, authors should obtain written permission and confirmation of accuracy from the source of a personal communication. To minimize citation errors, authors should verify references against original documents. Authors are responsible for checking that none of the references cite retracted articles except in the context of referring to the retraction. For articles published in MEDLINE-indexed journals, the ICMJE considers PubMed (http://www.pubmed.gov) the authoritative source for information about retractions.
References should be cited as follows:
Airway problems often manifest with audible symptoms like stertor and stridor.1
Previous studies2,3 have alerted physicians to special issues associated with airway problems in children of hearing-impaired parents or caregivers.
All non-original material should acknowledge the source reference; direct quotations should be enclosed in quotation marks and cited. Parapharasing does not render material original, and should be avoided.
REFERENCE STYLE AND FORMAT
(Taken from http://www.nlm.nih.gov/bsd/uniform_requirements.html)
Halpern SD, Ubel PA, Caplan AL. Solid-organ transplantation in HIV-infected patients. N Engl J Med. 2002 Jul 25;347(4):284-7.
More than six authors:
List the first six authors followed by et al. (Note: NLM now lists all authors.)
Rose ME, Huerbin MB, Melick J, Marion DW, Palmer AM, Schiding JK, et al. Regulation of interstitial excitatory amino acid concentrations after cortical contusion injury. Brain Res. 2002;935(1-2):40-6.
Database unique identifier (PMID, DOI, PII) for the citation:
Halpern SD, Ubel PA, Caplan AL. Solid-organ transplantation in HIV-infected patients. N Engl J Med. 2002 Jul 25;347(4):284-7. PubMed PMID: 12140307.
Forooghian F, Yeh S, Faia LJ, Nussenblatt RB. Uveitic foveal atrophy: clinical features and associations. Arch Ophthalmol. 2009 Feb;127(2):179-86. PubMed PMID: 19204236; PubMed Central PMCID: PMC2653214.
Zhang M, Holman CD, Price SD, Sanfilippo FM, Preen DB, Bulsara MK. Comorbidity and repeat admission to hospital for adverse drug reactions in older adults: retrospective cohort study. BMJ. 2009 Jan 7;338:a2752. doi: 10.1136/bmj.a2752. PubMed PMID: 19129307; PubMed Central PMCID: PMC2615549.
Tegnell A, Dillner J, Andrae B. Introduction of human papillomavirus (HPV) vaccination in Sweden. Euro Surveill. 2009 Feb 12;14(6). pii: 19119. PubMed PMID: 19215721.
Diabetes Prevention Program Research Group. Hypertension, insulin, and proinsulin in participants with impaired glucose tolerance. Hypertension. 2002;40(5):679-86.
21st century heart solution may have a sting in the tail. BMJ. 2002;325(7357):184.
Laegeforen. 2002;122(8):785-7. [Norwegian]
Geraud G, Spierings EL, Keywood C. Tolerability and safety of frovatriptan with short- and long-term use for treatment of migraine and in comparison with sumatriptan. Headache. 2002;42 Suppl 2:S93-9.
Glauser TA. Integrating clinical trial data into clinical practice. Neurology. 2002;58(12 Suppl 7):S6-12.
Abend SM, Kulish N. The psychoanalytic method from an epistemological viewpoint. Int J Psychoanal. 2002;83(Pt 2):491-5.
Ahrar K, Madoff DC, Gupta S, Wallace MJ, Price RE, Wright KC. Development of a large animal model for lung tumors. J Vasc Interv Radiol. 2002;13(9 Pt 1):923-8.
Banit DM, Kaufer H, Hartford JM. Intraoperative frozen section analysis in revision total joint arthroplasty. Clin Orthop. 2002;(401): 230-8.
Outreach: bringing HIV-positive individuals into care. HRSA Careaction. 2002 Jun:1-6.
Chadwick R, Schuklenk U. The politics of ethical consensus finding. Bioethics. 2002;16(2):iii-v.
Tor M, Turker H. International approaches to the prescription of long-term oxygen therapy [letter]. Eur Respir J. 2002;20(1):242.
Lofwall MR, Strain EC, Brooner RK, Kindbom KA, Bigelow GE. Characteristics of older methadone maintenance (MM) patients [abstract]. Drug Alcohol Depend. 2002;66 Suppl 1:S105.
Feifel D, Moutier CY, Perry W. Safety and tolerability of a rapidly escalating dose-loading regimen for risperidone. J Clin Psychiatry. 2002;63(2):169. Retraction of: Feifel D, Moutier CY, Perry W. J Clin Psychiatry. 2000;61(12):909-11.
Feifel D, Moutier CY, Perry W. Safety and tolerability of a rapidly escalating dose-loading regimen for risperidone. J Clin Psychiatry. 2000;61(12):909-11. Retraction in: Feifel D, Moutier CY, Perry W. J Clin Psychiatry. 2002;63(2):169.
Mansharamani M, Chilton BS. The reproductive importance of P-type ATPases. Mol Cell Endocrinol. 2002;188(1-2):22-5. Corrected and republished from: Mol Cell Endocrinol. 2001;183(1-2):123-6.
Malinowski JM, Bolesta S. Rosiglitazone in the treatment of type 2 diabetes mellitus: a critical review. Clin Ther. 2000;22(10):1151-68; discussion 1149-50. Erratum in: Clin Ther 2001;23(2):309.
Yu WM, Hawley TS, Hawley RG, Qu CK. Immortalization of yolk sac-derived precursor cells. Blood. 2002 Nov 15;100(10):3828-31. Epub 2002 Jul 5.
Books and Other Monographs
Murray PR, Rosenthal KS, Kobayashi GS, Pfaller MA. Medical microbiology. 4th ed. St. Louis: Mosby; 2002.
Gilstrap LC 3rd, Cunningham FG, VanDorsten JP, editors. Operative obstetrics. 2nd ed. New York: McGraw-Hill; 2002.
Breedlove GK, Schorfheide AM. Adolescent pregnancy. 2nd ed. Wieczorek RR, editor. White Plains (NY): March of Dimes Education Services; 2001.
Royal Adelaide Hospital; University of Adelaide, Department of Clinical Nursing. Compendium of nursing research and practice development, 1999-2000. Adelaide (Australia): Adelaide University; 2001.
Meltzer PS, Kallioniemi A, Trent JM. Chromosome alterations in human solid tumors. In: Vogelstein B, Kinzler KW, editors. The genetic basis of human cancer. New York: McGraw-Hill; 2002. p. 93-113.
Harnden P, Joffe JK, Jones WG, editors. Germ cell tumours V. Proceedings of the 5th Germ Cell Tumour Conference; 2001 Sep 13-15; Leeds, UK. New York: Springer; 2002.
Christensen S, Oppacher F. An analysis of Koza’s computational effort statistic for genetic programming. In: Foster JA, Lutton E, Miller J, Ryan C, Tettamanzi AG, editors. Genetic programming. EuroGP 2002: Proceedings of the 5th European Conference on Genetic Programming; 2002 Apr 3-5;Kinsdale, Ireland. Berlin:Springer; 2002. p. 182-91.
Yen GG (Oklahoma State University, School of Electrical and Computer Engineering, Stillwater, OK). Health monitoring on vibration signatures. Final report. Arlington (VA): Air Force Office of Scientific Research (US), Air Force Research Laboratory; 2002 Feb. Report No.: AFRLSRBLTR020123. Contract No.: F496209810049.
Issued by performing agency:
Russell ML, Goth-Goldstein R, Apte MG, Fisk WJ. Method for measuring the size distribution of airborne Rhinovirus. Berkeley (CA): Lawrence Berkeley National Laboratory, Environmental Energy Technologies Division; 2002 Jan. Report No.: LBNL49574. Contract No.: DEAC0376SF00098. Sponsored by the Department of Energy.
Borkowski MM. Infant sleep and feeding: a telephone survey of Hispanic Americans [dissertation]. Mount Pleasant (MI): Central Michigan University; 2002.
Pagedas AC, inventor; Ancel Surgical R&D Inc., assignee. Flexible endoscopic grasping and cutting device and positioning tool assembly. United States patent US 20020103498. 2002 Aug 1.
Other Published Material
Tynan T. Medical improvements lower homicide rate: study sees drop in assault rate. The Washington Post. 2002 Aug 12;Sect. A:2 (col. 4).
Chason KW, Sallustio S. Hospital preparedness for bioterrorism [videocassette]. Secaucus (NJ): Network for Continuing Medical Education; 2002.
Public law:
Veterans Hearing Loss Compensation Act of 2002, Pub. L. No. 107-9, 115 Stat. 11 (May 24, 2001).
Unenacted bill:
Healthy Children Learn Act, S. 1012, 107th Cong., 1st Sess. (2001).
Pratt B, Flick P, Vynne C, cartographers. Biodiversity hotspots [map]. Washington: Conservation International; 2000.
Dorland’s illustrated medical dictionary. 29th ed. Philadelphia: W.B. Saunders; 2000. Filamin; p. 675.
Unpublished Material
Tian D, Araki H, Stahl E, Bergelson J, Kreitman M. Signature of balancing selection in Arabidopsis. Proc Natl Acad Sci U S A. In press 2002.
Electronic Material
Anderson SC, Poulsen KB. Anderson’s electronic atlas of hematology [CD-ROM]. Philadelphia: Lippincott Williams & Wilkins; 2002.
Abood S. Quality improvement initiative in nursing homes: the ANA acts in an advisory role. Am J Nurs. 2002 Jun [cited 2002 Aug 12];102(6):[about 1 p.]. Available from: http://www.nursingworld.org/ AJN/2002/june/Wawatch.htmArticle
Foley KM, Gelband H, editors. Improving palliative care for cancer [Internet]. Washington: National Academy Press; 2001 [cited 2002 Jul 9]. Available from: http://www.nap.edu/books/0309074029/html/.
Cancer-Pain.org [Internet]. New York: Association of Cancer Online Resources, Inc.; c2000-01 [updated 2002 May 16; cited 2002 Jul 9]. Available from: http://www.cancer-pain.org/.
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Open database:
Who’s Certified [Internet]. Evanston (IL): The American Board of Medical Specialists. c2000 - [cited 2001 Mar 8]. Available from: http://www. abms.org/newsearch.asp
Closed database:
Jablonski S. Online Multiple Congential Anomaly/Mental Retardation (MCA/MR) Syndromes [database on the Internet]. Bethesda (MD): National Library of Medicine (US). c1999 [updated 2001 Nov 20; cited 2002 Aug 12]. Available from: http://www.nlm.nih.gov/mesh/ jablonski/syndrome_title.html
MeSH Browser [Internet]. Bethesda (MD): U.S. National Library of Medicine; 2002 - . Meta-analysis; [cited 2015 Oct 23]; [about 2 p.]. Available from: http://www.nlm.nih.gov/cgi/mesh/2015/MB_cgi?mod e=&index=16408&view=concept MeSH Unique ID: D017418.
Holt M. The Health Care Blog [Internet]. San Francisco: Matthew Holt. 2003 Oct - [cited 2009 Feb 13]. Available from: http://www. thehealthcareblog.com/the_health_care_blog/.
KidneyNotes.com [Internet]. New York: KidneyNotes. c2006 - [cited 2009 Feb 13]. Available from: http://www.kidneynotes.com/.
Wall Street Journal. HEALTH BLOG: WSJ’s blog on health and the business of health [Internet]. Hensley S, editor. New York: Dow Jones & Company, Inc. c2007 - [cited 2009 Feb 13]. Available from: http:// blogs.wsj.com/health/.
Contribution to a blog:
Mantone J. Head trauma haunts many, researchers say. 2008 Jan 29 [cited 2009 Feb 13]. In: Wall Street Journal. HEALTH BLOG [Internet]. New York: Dow Jones & Company, Inc. c2008 - . [about 1 screen]. Available from: http://blogs.wsj.com/health/2008/01/29/head-trauma-haunts-many-researchers-say/.
Campbell A. Diabetes and alcohol: do the two mix? (Part 2). 2008 Jan 28 [cited 2009 Feb 13]. In: Diabetes Self-Management Blog [Internet]. New York: Diabetes Self-Management. [2006 Aug 14] - . 2 p. Available from: http://www.diabetesselfmanagement.com/blog/Amy_Campbell/ Diabetes_and_Alcohol_Do_the_Two_Mix_Part_2
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Dataset description article:
Kraemer MU, Sinka ME, Duda KA, Mylne A, Shearer FM, Brady OJ, Messina JP, Barker CM, Moore CG, Carvalho RG, Coelho GE, Van Bortel W, Hendrickx G, Schaffner F, Wint GR, Elyazar IR, Teng HJ, Hay SI. The global compendium of Aedes aegypti and Ae. albopictus occurrence. Sci Data. 2015 Jul 7 [cited 2015 Oct 23];2:150035. Available from: http:// www.nature.com/articles/sdata201535 doi: 10.1038/sdata.2015.35. eCollection 2015. PubMed PMID: 26175912; PubMed Central PMCID: PMC4493829.
Dataset deposit record:
Kraemer MUG, Sinka ME, Duda KA, Mylne A, Shearer FM, Brady OJ, Messina JP, Barker CM, Moore CG, Carvalho RG, Coelho GE, Van Bortel W, Hendrickx G, Schaffner F, Wint GRW, Elyazar IRF, Teng H, Hay SI. The global compendium of Aedes aegypti and Ae. albopictus occurrence [dataset]. 2015 Jun 30 [cited 2015 October 23]. Dryad Digital Repository. Available from: http://dx.doi.org/10.5061/dryad.47v3c Referenced in doi: 10.7554/eLife.08347
Dataset repository:
Dryad Digital Repository. Durham (NC): Dryad. [cited 2014 Oct 3]. Available from: http://www.datadryad.org/.
TABLES AND FIGURES
If a table is taken or adapted from a published source, acknowledge the original source and submit written permission from the copyright holder to reproduce or adapt the material. Permission is required irrespective of authorship or publisher except for documents in the public domain.
Units of Measurement
Measurements of length, height, weight, and volume should be reported in metric units (meter, kilogram, or liter) or their decimal multiples. Temperatures should be in degrees Celsius. Blood pressures should be in millimeters of mercury, unless other units are specifically required by the journal. Report other laboratory values in both local and International System of Units (SI). Drug concentrations may be reported in either SI or mass units, but the alternative should be provided in parentheses where appropriate.
Abbreviations
Use only standard abbreviations. Avoid abbreviations in the title. The full term for which an abbreviation stands should precede its first use in the text unless it is a standard unit of measurement.
Manuscripts should be neatly prepared in correct U.S. English using Microsoft Word, RTF or Word Perfect software on A4 format in Times New Roman font size 12, double spaced, with a 1 inch margin on all sides. When necessary, the manuscript should employ italics, rather than underlining (except with URL addresses). A maximum of twenty (20) pages (for original articles) is allowed for the text, with one (1) additional page each for proposed algorithms, figures or tables. Generally, a maximum of twenty (20) references are allowed. If the MS Word “Track Changes” tool has been used in manuscript preparation, all changes in the document should have been accepted and the “Track Changes” feature turned off before submission. Citations and references should be typed manually (i.e., do NOT use automatic numbering or tools such as EndNote).
Manuscripts should be neatly prepared in correct U.S. English using Microsoft Word, RTF or Word Perfect software on A4 format in Times New Roman font size 12, double spaced, with a 1 inch margin on all sides. When necessary, the manuscript should employ italics, rather than underlining (except with URL addresses). A maximum of twenty (20) pages (for original articles) is allowed for the text, with one (1) additional page each for proposed algorithms, figures or tables. Generally, a maximum of twenty (20) references are allowed. If the MS Word “Track Changes” tool has been used in manuscript preparation, all changes in the document should have been accepted and the “Track Changes” feature turned off before submission. Citations and references should be typed manually (i.e., do NOT use automatic numbering or tools such as EndNote).
Manuscripts should be neatly prepared in correct U.S. English using Microsoft Word, RTF or Word Perfect software on A4 format in Times New Roman font size 12, double spaced, with a 1 inch margin on all sides. When necessary, the manuscript should employ italics, rather than underlining (except with URL addresses). A maximum of twenty (20) pages (for original articles) is allowed for the text, with one (1) additional page each for proposed algorithms, figures or tables. Generally, a maximum of twenty (20) references are allowed. If the MS Word “Track Changes” tool has been used in manuscript preparation, all changes in the document should have been accepted and the “Track Changes” feature turned off before submission. Citations and references should be typed manually (i.e., do NOT use automatic numbering or tools such as EndNote).
Manuscripts should be neatly prepared in correct U.S. English using Microsoft Word, RTF or Word Perfect software on A4 format in Times New Roman font size 12, double spaced, with a 1 inch margin on all sides. When necessary, the manuscript should employ italics, rather than underlining (except with URL addresses). A maximum of twenty (20) pages (for original articles) is allowed for the text, with one (1) additional page each for proposed algorithms, figures or tables. Generally, a maximum of twenty (20) references are allowed. If the MS Word “Track Changes” tool has been used in manuscript preparation, all changes in the document should have been accepted and the “Track Changes” feature turned off before submission. Citations and references should be typed manually (i.e., do NOT use automatic numbering or tools such as EndNote).
Contributions generally have one to three figures (radiographs, CT scans or MRI's, ultrasonograms) with a one to two paragraph explanation-description and three to five references. Longer submissions may be considered for inclusion as Case Reports, Original Articles or Letters to the Editor. Authorship by radiologists and sonologists are welcome.
Contributions are brief reports with one to three figures (gross specimens and/or microscopic histopathologic and/or immunohistochemical slides) with a one to two-paragraph description and three to five references. Longer reports may be classified as full Case Reports and/or Original Articles. Contributions from pathologists are welcome.
Copyright transfer (all authors; where the work is not protected by a copyright act e.g. US federal employment at the time of manuscript preparation, and there is no copyright of which ownership can be transferred, a separate statement is hereby submitted by each concerned author). In consideration of the action taken by the Philippine Journal of Otolaryngology Head and Neck Surgery in reviewing and editing this manuscript, I hereby assign, transfer and convey all rights, title and interest in the work, including copyright ownership, to the Philippine Society of Otolaryngology Head and Neck Surgery, Inc. (PSOHNS) in the event that this work is published by the PSOHNS. In making this assignment of ownership, I understand that all accepted manuscripts become the permanent property of the PSOHNS and may not be published elsewhere without written permission from the PSOHNS unless shared under the terms of a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license.
The names and email addresses entered in this journal site will be used exclusively for the stated purposes of this journal and will not be made available for any other purpose or to any other party.
Founded in 1981
ISSN 1908 4889 (Print)
ISSN 2094 1501 (Online)
Editor
José Florencio F. Lapeña, Jr., MA, MD
Manila, PHILIPPINES
Associate Editors
Christopher Malorre E. Calaquian, MD
Muntinlupa City, PHILIPPINES
Ryner Jose D. Carrillo, MD, MSc
Taguig City, PHILIPPINES
Samantha R. Soriano-Castañeda, MD
Pasig City, PHILIPPINES
Antonio H. Chua, MD
Quezon City, PHILIPPINES
Rhodora A. del Rosario-Ocampo, MD, MPH
Los Baños, Laguna, PHILIPPINES
Rodante A. Roldan, MD
Quezon City, PHILIPPINES
Marifee U. Reyes, MD
Naga City, Camarines Sur, PHILIPPINES
Filipina T. Cevallos-Schnabel, MD, MPH
Manchester, Tennessee, USA
Peter George J. Tian, MD, MPH, MSc
Alberta, CANADA
Managing Editor
Erasmo Gonzalo dV. Llanes, MD
Pasig City, PHILIPPINES
Editorial Advisory Board
Jose M. Acuin, MD, MSc
Las Piñas City, PHILIPPINES
Robert G. Berkowitz, MBBS, MD
Melbourne, AUSTRALIA
Charlotte M. Chiong, MD, PhD
Malolos, Bulacan, PHILIPPINES
Jose Angelito U. Hardillo, MD, PhD
Rotterdam, The NETHERLANDS
KJ Lee, MD
New Haven, Connecticut, USA
Editorial Assistant
April Christine E. Dagame
Quezon City, PHILIPPINES
Philippine Journal of Otolaryngology Head and Neck Surgery
Founded in 1981
ISSN 1908 4889 (Print)
ISSN 2094 1501 (Online)
The Philipp J Otolaryngol Head Neck Surg is indexed on the Health Research and Development Network (HERDIN-NeON) available at http://pjohns.herdin.ph/ supported by the Philippine Council for Health Research Development, Department of Science and Technology (PCHRD-DOST); the ASEAN Citation Index available at https://www.asean-cites.org/index.php?r=journal%2Fpublic-view&id=618 ; the Asia Pacific Medical Journal Articles Central Archives (APAMED Central) available at https://apamedcentral.org/search.php?where=jvolume&id=11&code=0011PJOHNS ; and the WesternPacific Region Index Medicus (WPRIM) available at http://www.wprim.org/ of the World Health Organization (WHO).
PHILIPPINE SOCIETY OF OTOLARYNGOLOGY
HEAD AND NECK SURGERY, Inc.
No. 27 Manga Road
Bgy.Kaunlaran
Quezon City 1111
Philippines
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License