title: AUTHOR'S REPLY.
authors: Department of Forensic Psychiatry, Murray Royal Hospital, Perth, United Kingdom.
authors: Patrick
authors: P
authors: Jones
authors: Department of Urology, Lister Hospital, Stevenage, United Kingdom.
authors: Bhavan Prasad
authors: BP
authors: Rai
authors: Department of Forensic Psychiatry, Murray Royal Hospital, Perth, United Kingdom.
authors: Stuart
authors: S
authors: Doig
authors: Department of Forensic Psychiatry, Murray Royal Hospital, Perth, United Kingdom.
authors: Niyaz
authors: N
authors: Ahhammed