Letters to the Editor
Letters to the Editor are exempt from Article Processing Fees. While this journal does publish "Research Letters" (short articles containing original data), JMIR also publishes letters responding to a previously published article. Short articles containing original data should be submitted as general article, not as a letter. A letter to the editor must cite and critique or substantially comment on a recent paper published in JMIR. The letter will be forwarded to the authors of the cited or critiqued article or other reviewers, and original authors will get a chance to respond. While some new data in a letter are allowed, a letter is NOT a short research report.
