Authors and criteria of authorship Sadeghi Ramin, MD Nuclear Medicine Research Center, Mashhad University of Medical Sciences

Vancouver criteria Criteria set by “International Committee of Medical Journal Editors” http://www.icmje.org/

Ghost writing With medical ghostwriting, pharmaceutical companies pay both professional writers to produce papers and then pay other scientists or physicans to attach their names to these papers before they are published in a medical or scientific journals.

Ghost writing These scientists or physicians often have little involvement in the research or the writing process This is under significant scrutiny

Honorary (guest) authors Authors who have not met the criteria of authorship

Order of the authors The first and the last authors are the most important The corresponding author is also important regarding points for promotion It is recommended to introduce the last author as the corresponding

Who is to be in the acknowledgment All contributors who do not meet the criteria for authorship should be listed in an acknowledgments section

How to write an acknowledgement This study was supported by a grant from vice chancellor of research of Mashhad university of medical sciences We wish to thank X for his/her contribution as ….. This study was the result of a thesis with approval number of….

Group work Prepare an acknowledgement for an article Financial support Statistical analysis English editing Others