1. Academic Department of Psychiatry, Kolling Institute of Medical Research, Northern Sydney Local Health District, St Leonards, NSW, Australia
2. Northern Clinical School, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
3. CADE Clinic, Department of Psychiatry, Royal North Shore Hospital, Northern Sydney Local Health District, St Leonards, NSW, Australia
4. Department of Psychological Medicine, University of Otago, Christchurch, Christchurch, New Zealand