1. 1Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
2. 2QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
3. 3Pathwest Laboratory Medicine, Nedlands, Western Australia, Australia
4. 5Medical School, University of Western Australia, Crawley, Western Australia, Australia
5. 4School of Biomedical Sciences, Curtin University, Bentley, Western Australia, Australia
6. 8School of Biomedical Sciences, University of Western Australia, Crawley, Western Australia, Australia
7. 6School of Medical and Public Health, University of Newcastle, Callaghan, New South Wales, Australia
8. 7Department of Health Sciences, University of Leicester, Leicester, UK
9. 9Department of Twin Research & Genetic Epidemiology, King’s College London, London, UK