1. St. George's Hospital Medical School; Department of Psychiatry; University of London Cranmer Terrace London UK SW17 0RE
2. Wolfson College Annexe; Centre for Statistics in Medicine; Linton Road Oxford UK OX2 6UD
3. South London and Maudsley NHS Trust; Adamson Centre for Mental Health; St Thomas's Hospital London UK SE1 7EH
4. School of Rural Health ; Department of Rural and Indigenous Health ; Faculty of Medicine, Nursing and Health Sciences Monash University PO Box 973 Moe Victoria Australia 3825