Types of Articles and Length Limits

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1. Research Article:

• Length: Typically 3,000 to 6,000 words.
• Sections: Title, Abstract, Introduction, Methods, Results, Discussion, Conclusion, COI, References.

2. Review:

• Length: Varies; typically 5,000 to 10,000 words.
• Sections: Abstract, Introduction, Methods, Results, Discussion, Conclusion, COI, References.

3. Systematic Review:

• Length: Varies; typically 5,000 to 10,000 words.
• Sections: Abstract, Introduction, Methods (including Search Strategy, Study Selection Criteria, Data Extraction, Quality Assessment, Data Synthesis), Results, Discussion, Conclusion, COI, References.

4. Meta-Analysis:

• Length: Varies; typically 5,000 to 10,000 words.
• Sections: Abstract, Introduction, Methods (including Study Selection, Data Extraction, Statistical Analysis, Publication Bias Assessment), Results, Discussion, Conclusion, COI, References.

5. Research Letter (Rapid Communication with Methods as Supplementary Material):

• Length: Typically 1,000 to 2,000 words.
• Sections: Title, Abstract, Introduction, Methods (Supplementary Material), Results, Discussion, Conclusion, COI, References.

6. Clinical Trial:

• Length: Varies; typically 3,000 to 6,000 words.
• Sections: Title, Abstract, Introduction, Methods (including Study Design, Participants, Interventions, Outcomes, Sample Size, Statistical Analysis), Results, Discussion, Conclusion, COI, References.

7. Correspondence

• Length: Brief (500 words) Long (1500 words)
• Title, Introduction, Main Body, Conclusion, References

8. Policy Critique

• Clear explanation of the policy under review.
• Critical evaluation of the policy’s alignment with scientific knowledge and public health goals.
• Discussion of ethical issues, conflicts of interest, or biases.
• Evidence-based recommendations for policy improvements or alternatives.
• Citations: Include citations of relevant scientific literature to support the critique.
• Ethical Considerations: Authors must disclose any conflicts of interest and ensure the objectivity of their critique. All submissions are subject to the journal’s peer-review process.

Instructions

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• Manuscripts must be submitted electronically via the online submission system as MS Word or RTF documents (MS Word preferred)
• Use Times New Roman or Arial font, size 12, double-spaced.
• Include line numbers for all submissions.
• Ensure all figures, tables, and references are cited in the text and numbered consecutively.
• Follow the journal’s reference style guide for citations and bibliography formatting.
• Include a cover letter with the submission, indicating the manuscript type and any special considerations.
• If submitted via Track A, include an email (exported as .txt or .pdf) from the Editorial Board Member sponsoring the paper.  Sponsoring Editorial Board members must not have conflicts of interest with the authors and cannot be involved in the research or writing of the paper.
• Clearly indicate conflicts of interest, funding sources, and ethical approval.
• Authors are responsible for ensuring the accuracy and integrity of the data presented.
• Any errata or corrigenda will be published as needed to correct errors identified after publication.

Citations Format: Citations should be in numbered order following the National Library of Medicine® (NLM®) ANSI/NISO Z39.29-2005 (R2010) Bibliographic References standard as the basis for the format of MEDLINE/PubMed citations to journal articles. The National Information Standards Organization (NISO) is a non-profit association accredited by the American National Standards Institute (ANSI) to identify, develop, maintain and publish technical standards in the area of library and information science.

Guidance on the NLM interpretation of this national standard can be found in Citing Medicine: the NLM Style Guide for Authors, Editors, and Publishers, available via the National Center for Biotechnology Information (NCBI) Bookshelf.  

PubMed citations in the Summary (text) display format are compatible with ANSI/NISO Z39.29-2005 (R2010).   This format is useful for a list of references or a bibliography. Here is a sample citation in the Summary (text) display format:

Freedman SB, Adler M, Seshadri R, Powell EC. Oral ondansetron for gastroenteritis in a pediatric emergency department. N Engl J Med. 2006 Apr 20;354(16):1698-705. PubMed PMID: 16625009.

Supplementary Data

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Instructions for Conflict of Interest (COI) Section:

Authors must declare clearly and umambiguously any potential conflicts of interest related to their research. Follow these guidelines when preparing the Conflict of Interest section of your manuscript:

Disclosure Requirement: Authors must disclose any financial or personal relationships that could influence the research or its interpretation. This includes but is not limited to:

• Employment or consultancy with a company relevant to the research.
• Ownership of stocks or shares in a company related to the research.
• Receipt of honoraria, fees, grants, or funding from an organization with a financial interest in the outcome of the research.
• Membership on advisory boards or committees related to the research topic.
• Any other financial or personal relationships which may be perceived as a potential conflict of interest.

Format: The Conflict of Interest section should be placed at the end of the manuscript, after the Conclusion section and before the References. It should be clearly labeled as “Conflict of Interest” or “COI Disclosure.”

Content: For each author, provide a statement indicating whether they have any conflicts of interest related to the research. If authors have no conflicts to declare, explicitly state, “The authors declare no conflicts of interest.” If conflicts exist, provide a brief description of each conflict, including the nature of the relationship or financial interest and its relevance to the research.

Transparency: Authors are encouraged to be transparent and disclose potential conflicts even if they are unsure of their relevance. Full disclosure enhances the credibility and integrity of the research.

Example:

“Conflict of Interest: The authors declare that they have no conflicts of interest relevant to this research.”

Contact the Editorial Team

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Email us at journal@ipak-edu.org . Do not send manuscripts by email; you will not receive a response. Instead, please use our Manuscript Submission Area.