1. University of Melbourne (N.W., B.C.F., G.R.C., J.P., S.A.), Department of Medicine (Austin Health and Northern Health), Heidelberg Repatriation Hospital, Heidelberg Heights, Victoria 3081, Australia
2. St Vincent's Institute of Medical Research (G.R.S., T.W.K.), Fitzroy, Victoria 3065, Australia
3. Division of Endocrinology and Metabolism (G.R.S.), Department of Medicine, McMaster University, Hamilton, Ontario, Canada L8S4L8
4. Deakin University (K.W.), School of Medicine, Geelong, Victoria 3217, Australia