title: Fixed-effects models and diagnosing psychiatric disorders--reply.
authors.affiliation: Department of Psychological and Brain Sciences, Indiana University-Bloomington.
authors.forename: Brian M
authors.initials: BM
authors.lastname: D'Onofrio
authors.affiliation: Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
authors.forename: Arvid
authors.initials: A
authors.lastname: Sjölander
authors.affiliation: Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
authors.forename: Paul
authors.initials: P
authors.lastname: Lichtenstein
mesh_terms: D004522:Educational Status; D005260:Female; D006801:Humans; D007859:Learning Disabilities / Q000175:diagnosis* / Q000453:epidemiology*; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis* / Q000453:epidemiology*; D010331:Paternal Age