Authorship in the medical journals

One of the most important questions that arise whenever a paper is writing is who is/are the author(s) of the paper? In this article, we have been tried to answer the above question citing the most valid documents. Within the text of the article, first, authorship is defined. Then, the authorship dispute and the ways to overcome it are referred to. At the end, some other important issues such as the number and the order of the authors are discussed.One of the fundamental ways to overcome the authorship dispute is to encourage the authorship ethics. Furthermore, there are comprehensive guidelines which might facilitate to resolve any kinds of authorship disputes whenever they occur.