According to the Recommendations for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals, released by the ICMJE, an “Author” is generally considered to be someone who simultaneously meets the following conditions 1, 2, 3, and 4.
1-Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; AND
2-Drafting the work or revising it 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.