1. Institute of Mental Health; Section of Forensic Mental Health; Nottinghamshire Healthcare Trust, Room B06, The Gateway Building University of Nottingham, Innovation Park, Triumph Road Nottingham UK NG7 2TU
2. Nottinghamshire Healthcare NHS Trust; Literature and Evidence Research Unit (LERU), Institute of Mental Health; The Clair Chilvers Centre Rampton Hospital Woodbeck Nottinghamshire UK DN22 0PD
3. University of Liverpool; Division of Psychiatry; Royal Liverpool University Hospital Liverpool UK L69 3GA