title: Defining authorship for group studies.
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Liesegang
authors.forename: Andrew P
authors.initials: AP
authors.lastname: Schachat
authors.forename: Daniel M
authors.initials: DM
authors.lastname: Albert
mesh_terms: D001319:Authorship; D015706:Bibliometrics; D006126:Group Processes; D006801:Humans; D015337:Multicenter Studies as Topic; D011643:Publishing