title: [Who is a co-author?].
authors: Ullevål universitetssykehus, 0450 Oslo. annetine.staff@ulleval.no
authors: Annetine
authors: A
authors: Staff
authors: May
authors: M
authors: Thorseth
mesh_terms: D001319:Authorship; D035081:Editorial Policies; D032984:Ethics, Research; D006801:Humans; D010506:Periodicals as Topic; D011643:Publishing / Q000941:ethics