1. Department of Endocrinology and Metabolism (J.T.W.Z., K.A.B.), New South Wales 2137, Australia
2. Department of Anatomical Pathology (C.C., S.Y.K.), Concord Repatriation General Hospital, Concord, New South Wales 2137, Australia
3. The University of Sydney (C.C., K.A.B.), New South Wales 2006, Australia