David J Castle1, Nigel Strauss1, Amanda Norman1, Yvonne Bonomo1. 1. David J. Castle, MD, FRANZCP, Professor of Psychiatry, St. Vincent's Hospital and the University of Melbourne, Australia. Nigel Strauss, FRANZCP, Medical Director, Millswyn Clinic, South Yarra, Australia. Amanda Norman, BA, Department of Addiction Medicine, St. Vincent's Hospital, Melbourne, Australia. Yvonne Bonomo, MD, PhD, Department of Addiction Medicine, St. Vincent's Hospital, Melbourne, Australia, and the University of Melbourne, Australia.