1. Psychiatry Registrar, Hollywood Private Hospital, Nedlands, WA Australia
2. Consultant Psychiatrist, Department of Psychological Medicine, King Edward Memorial Hospital, Subiaco, WA, Australia
3. Obstetrics and Gynaecology Registrar, King Edward Memorial Hospital, Subiaco, WA, Australia
4. Biostatistician, The School of Women’s and Infants’ Health, University of Western Australia, Crawley, WA, Australia