1. Faculty of Health Sciences (C.J.P., C.H.T., M.G.B.), Flinders University, Adelaide SA 5042, Australia;
2. Southern Adelaide Diabetes and Endocrine Services (C.J.P., B.L.M., M.G.B.), Repatriation General Hospital, Adelaide 5041, Australia;
3. Discipline of Medicine (C.H.T.), University of Adelaide, Adelaide SA 5005, Australia