Medical Letter (MedLetter) follows the recommendations of the Committee on Publication Ethics (COPE) and the International Committee of Medical Journal Editors (ICMJE) to ensure transparency and integrity in scholarly publishing. All authors, reviewers, and editors must disclose any actual, potential, or perceived conflicts of interest that could influence the research, review, or publication process.

Author Responsibilities

Authors must:

• Disclose all financial and non-financial conflicts of interest.

• Declare funding sources and sponsorship.

• Report any personal, institutional, or professional relationships that may influence the research.

• Include a Conflict of Interest Statement in the manuscript.

Reviewer Responsibilities

Reviewers are expected to:

• Declare any conflicts before accepting a review.

• Decline review invitations where impartiality may be compromised.

• Maintain confidentiality throughout the review process.

Editorial Responsibilities

Editors must:

• Make decisions based solely on scientific merit.

• Avoid handling manuscripts where a conflict of interest exists.

• Ensure a fair, transparent, and unbiased review process.

Editorial Policy

If an undisclosed conflict of interest is identified before or after publication, the journal may investigate the matter and take appropriate action, including manuscript rejection, publication of a correction, or retraction, in accordance with COPE and ICMJE guidance.