title: Armbrust et al. 2015: Randomization questionable.
authors.affiliation: a Department of Psychiatry and Psychotherapy , University of Cologne Medical School , Cologne , Germany .
authors.forename: Christopher
authors.initials: C
authors.lastname: Baethge
authors.affiliation: b Department of Epidemiology and Medical Biometrics , Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), Johannes Gutenberg University of Mainz Medical School , Mainz , Germany .
authors.forename: Maria
authors.initials: M
authors.lastname: Blettner
authors.affiliation: c Department of Gynecology and Obstetrics , Ludwig Maximilian University of Munich Medical School , Munich , Germany , and.|d Department of Gynecology , Bad Trissl Clinic for Oncology , Oberaudorf , Germany.
authors.forename: Klaus
authors.initials: K
authors.lastname: Friese
mesh_terms: D006801:Humans; D011897:Random Allocation