1. The University of Western Australia Faculty of Medicine Dentistry and Health Sciences, Perth, WA, Australia; and Peel and Rockingham/Kwinana Health Service, Rockingham, WA, Australia
2. The University of Western Australia, School of Medicine, Division of General Practice, Perth, WA, Australia; and King Edward Memorial Hospital for Women Perth, Subiaco, WA, Australia
3. King Edward Memorial Hospital for Women Perth, Subiaco, WA, Australia; Health Futures Institute, Murdoch University, Murdoch, WA, Australia; and School of Clinical Sciences, Monash University, Clayton, VIC, Australia
4. Health Futures Institute, Murdoch University, Murdoch, WA, Australia; and School of Clinical Sciences, Monash University, Clayton, VIC, Australia