1. Lecturer, Department of Developmental Disability Neuropsychiatry, School of Psychiatry, UNSW Sydney, Sydney, NSW, Australia
2. Project Officer, Department of Developmental Disability Neuropsychiatry, School of Psychiatry, UNSW Sydney, Sydney, NSW, Australia
3. Head of Department, Department of Psychiatry, University of Melbourne, Melbourne, VIC, Australia
4. President, Royal Australian and New Zealand College of Psychiatrists, Melbourne, VIC, Australia
5. Chair, Intellectual Disability Mental Health and Head of Department, Department of Developmental Disability Neuropsychiatry, School of Psychiatry, UNSW Sydney, Sydney, NSW, and; Centre for Healthy Brain Ageing, School of Psychiatry, UNSW Sydney, Sydney, NSW, Australia