title: Author’s reply.
authors: T J
authors: TJ
authors: Peters
authors: P
authors: P
authors: Garrard
mesh_terms: D001714:Bipolar Disorder / Q000175:diagnosis*; D003936:Diagnosis, Computer-Assisted; D005197:Famous Persons; D006801:Humans; D007926:Lesch-Nyhan Syndrome / Q000175:diagnosis*; D009103:Multiple Sclerosis / Q000175:diagnosis*; D009471:Neuromyelitis Optica / Q000175:diagnosis*; D017094:Porphyrias, Hepatic / Q000175:diagnosis*