1. Medical School, Division of General practice, The University of Western Australia, Crawley, WA, Australia
2. Department of Obstetrics, Women and Newborn Health Service, Subiaco, WA, Australia
3. Department of Nursing and Midwifery Education and Research, Women and Newborn Health Service, Subiaco, WA, Australia
4. Nursing, Midwifery and Paramedicine, Curtin University, Perth, WA, Australia
5. Medical School, Division of Psychiatry, The University of Western Australia, Crawley, WA, Australia
6. Peel and Rockingham Kwinana Mental Health Services, Rockingham, WA, Australia
7. General Practice, University of Helsinki, Helsinki, Finland
8. Neuropsychiatric Epidemiology Research Unit, School of Population and Global Health, The University of Western Australia, Crawley, WA, Australia
9. Centre for Clinical Research in Neuropsychiatry, Medical School, Division of Psychiatry, The University of Western Australia, Crawley, WA, Australia