1. Institute of Metabolic Science/Department of Medicine (M.A.O., J.S., S.P.M., C.-Y.Y., M.L.E.), Adelaide, South Australia 5000, Australia
2. Diabetes Endocrine Research Center (L.Z., R.S.), Yale University, New Haven, Connecticut 06520
3. Chang Gung University College of Medicine (C.-Y.Y.), Chang Gung Memorial Hospital, Chiayi 333, Taiwan
4. Department of Pharmacology (L.K.H.), University of Cambridge, Cambridge CB2 0QQ, United Kingdom