title: In reply.
authors.affiliation: Institute of Psychiatry, Kings College London, London. Electronic address: argyris.stringaris@kcl.ac.uk.
authors.forename: Argyris
authors.initials: A
authors.lastname: Stringaris
authors.affiliation: University of North Carolina, Chapel Hill.
authors.forename: Eric
authors.initials: E
authors.lastname: Youngstrom
mesh_terms: D001714:Bipolar Disorder / Q000453:epidemiology*; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data*; D010351:Patient Discharge / Q000706:statistics & numerical data*