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Submission Preparation Checklist

As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.
  • Instructions to Authors
    • Review manuscript submission guidelines
  • Cover Letter
    • include cover letter as an attachment
    • indicate in the letter the title of work
    • indicate all the authors (complete names, affiliations, ORCID iD, specific role/s in writing the manuscript and email address)
    • indicate in the letter the corresponding author and provide complete contact information (post address, telephone, fax number, e-mail address)
  • EQUATOR Network Guidelines
    • Review manuscript if compliant with appropriate EQUATOR Network Guidelines (e.g., CONSORT for clinical trials, CARE for case reports) and submit checklist
  • Author Form
    • Ensure all authors have read and agreed to the following: (1) Authorship Certification, (2) the Author Declarations, (3) the Author Contribution Disclosure, (4) the Author Publishing Agreement, and (5) the Conversion to Visual Abstract (optional for original articles only)
    • Submit a scanned copy of the fully accomplished form
  • ICMJE Form for Disclosure of Potential Conflicts of Interest
    • Ensure all authors have read and agreed to disclose potential Conflicts of Interest
    • Submit the PDF copy of the fully accomplished form
  • Ethics Review Approval
    • For Original articles, submit a scanned copy of the Ethics Review Approval of research
    • For manuscripts reporting data from studies involving animals, submit a scanned copy of the Institutional Animal Care and Use Committee approval
  • Patient Consent Form
    • For Case Reports, Images in Endocrinology and Clinical Case Seminars, submit a scanned copy of the fully accomplished form; otherwise, obtain appropriate ethical clearance from the institutional review board.
  • Title Page
    • Full names of the authors directly affiliated with the work (First Name and Last name), highest educational attainment
    • ‚Name and location of one (1) institutional affiliation per author

    • If presented in a scientific forum or conference, provide a footnote indicating the name, location and date of presentation

  • Abstract
    • Provide an abstract conforming with the format
    • Structured for Original articles: Objective/s, Method/s, Results, Conclusion
    • Unstructured for Case Reports and Feature articles
  • Key words
    •  Provide 3 – 5 keywords (listed in MeSH)
  • Content
    • Provide text/content in IMRAD  format (Introduction, Methods, Results and Discussion, Conclusion)
    • Make sure all abbreviations are spelled out once (the first time they are mentioned in the text) followed by the abbreviation enclosed in parenthesis; the same abbreviations may then be used subsequently
  • References
    • All references should be cited in the text, in numerical order. Use Arabic numerals

    • Ensure all references follow the prescribed format

    • The references should include the sources [e.g., PMID, PMCID, doi, links to website or sources; if local sources [only available in your country and not online, kindly email a copy]

  • Tables, figures, illustrations and photographs
    • All tables, figures, illustrations and photographs should be cited in the text, in numerical order by type
    • Provide separate files for tables, figures and illustrations
    • Provide a title, legend (if appropriate) for each table
    • Provide a title, legend (if appropriate), and caption for each figure and illustration (caption should be no longer than 15-20 words)
    • if table, figure, or illustration is adapted, state so and include the reference


Articles that represent the scientific opinion and views of an author. Every issue of JAFES includes an Editorial by the Editor-in-Chief and may include one or two additional editorials from experts from the scientific community commenting on a particular field or issue on endocrinology.

No abstract or keywords necessary.

Letters to the Editor

JAFES welcomes feedback and comments on previously published articles in the form of Letters to the Editor.

No abstract or keywords necessary.

A Letter to the Editor must not exceed 2 typewritten pages or 500 words.

Feature Articles

JAFES may feature articles, either as part of an issue theme, such as Summary Clinical Practice Guidelines on endocrinology from each AFES country society, or a special topic on endocrinology by an international expert or authority.

A manuscript for feature articles should not exceed 25 typewritten pages (including tables, figures, illustrations and references) or 6000 words.

Review Articles

Review articles provide information on the “state of the art.” JAFES encourages that reviews not only summarize current understanding of a particular topic but also describe significant gaps in the research, and current debates.

A manuscript for reviews should not exceed 15 typewritten pages (including tables, figures, illustrations and references) or 4000 words.

Original Articles

The abstract should contain no more than 200 words with a structured format consisting of the objective/s, methodology, results and conclusion.

A manuscript for original articles should not exceed 25 typewritten pages (including tables, figures, illustrations and references) or 6000 words.

Case Reports

A manuscript for case reports should not exceed 10 typewritten pages (including tables, figures, illustrations and references) or 3000 words.

Interhospital Grand Rounds

JAFES encourages submission of special articles that summarize and document the proceedings of endocrinology grand rounds, which includes presentation of medical problems of a particular patient, evaluation and work-up, treatment and clinical course, discussion of key diagnostic and management points, and commentaries by specialty experts. JAFES recognizes the importance of this type of article as an educational tool for physicians and health practitioners.

A manuscript for grand rounds should not exceed 25 typewritten pages (including tables, figures, illustrations and references) or 6000 words.

Brief Communications

Brief Communications are short reports intended to either extend or expound on previously published research OR present new and significant findings which may have a major impact in current practice. If the former, authors must acknowledge and cite the research which they are building upon.

A manuscript for brief communications should not exceed 5 typewritten pages (including tables, figures, illustrations and references) or 1500 words.

Images in Endocrinology

Images may include photographs of clinical cases encountered and documented during practice. They may also include diagnostic images (e.g., photomicrographs of histopathologic diagnosis, radiographs) or special studies performed (e.g., spectral karyotype imaging, fluorescent microscope images, immunostains) that aided in diagnosis.

A 250-word text should accompany the images. Submissions to this category should comply with the journal's image integrity guidelines.

Special Announcements

Special announcements may include upcoming conventions, seminars or conferences relevant to endocrinology and metabolism.  The Editors shall deliberate and decide on acceptance and publication of special announcements.  Please coordinate with the Editorial Coordinator for any request for special announcements.

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