title: In reply.
authors.affiliation: Department of Psychiatry, Washington University in St Louis, St Louis, Missouri.
authors.forename: Sarah M
authors.initials: SM
authors.lastname: Hartz
authors.affiliation: Department of Psychiatry, Washington University in St Louis, St Louis, Missouri.
authors.forename: Laura J
authors.initials: LJ
authors.lastname: Bierut
authors.affiliation: University of Southern California, Los Angeles.
authors.forename: Michele T
authors.initials: MT
authors.lastname: Pato
mesh_terms: D001714:Bipolar Disorder / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D011618:Psychotic Disorders / Q000453:epidemiology*; D012559:Schizophrenia / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000453:epidemiology*