4 Ghost writingWith 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.
5 Ghost writingThese scientists or physicians often have little involvement in the research or the writing processThis is under significant scrutiny
6 Honorary (guest) authors Authors who have not met the criteria of authorship
7 Order of the authorsThe first and the last authors are the most importantThe corresponding author is also important regarding points for promotionIt is recommended to introduce the last author as the corresponding
11 How to write an acknowledgement This study was supported by a grant from vice chancellor of research of Mashhad university of medical sciencesWe wish to thank X for his/her contribution as …..This study was the result of a thesis with approval number of….
12 Group work Prepare an acknowledgement for an article Financial support Statistical analysisEnglish editingOthers