1. Southern Adelaide Diabetes and Endocrine Services; Adelaide Australia
2. Department of Clinical Biochemistry; PathWest Laboratory Medicine WA; Royal Perth Hospital; Perth Australia
3. Schools of Medicine and Pharmacology; University of Western Australia; Perth Australia
4. Schools of Pathology and Laboratory Medicine; University of Western Australia; Perth Australia
5. Department of Endocrinology; Lyell McEwin Hospital; Adelaide Australia
6. Flinders University School of Medicine; Adelaide Australia
7. University of Otago; Christchurch New Zealand