To give appropriate credit to each author, the individual contributions of authors should be specified in the manuscript.
An 'author' is generally considered to be someone who has made substantive intellectual contributions to a published study. MCI Journal recommends that you adhere to the guidelines for authorship that are applicable in your research field or, in the absence of any guidelines, to the International Committee of Medical Journal Editors (ICMJE) guidelines. According to the ICMJE guidelines, to qualify as an author one should have:
Acquisition of funding, collection of data, or general supervision of the research group, alone, does not usually justify authorship.
We follow COPE instructions in facing with requests for Changes in authorship (removal of author or addition of extra author after/before publication). [ "Changes in authorship" Felowcharts ]