1. 1Departments of Endocrinology and Diabetes
2. 4Schools of Medicine and Public Health
3. 2Maternity and Gynaecology, John Hunter Hospital, Newcastle, New South Wales, Australia
4. 3Department of Nuclear Medicine & PET, Hunter New England Imaging, John Hunter and Calvary Mater Hospital, Newcastle, New South Wales, Australia
5. 5Health Sciences, University of Newcastle, Newcastle, New South Wales, Australia