Terrence Diamond1, William Clark2, Paul Bird3, Peter Gonski4. 1. Department of Endocrinology, St George Public and Private Hospital and University of NSW, St George Clinical School, Kogarah, Australia. 2. Department of Interventional Radiology, St George Private Hospital, Kogarah, Australia. 3. Department of Rheumatology, St George Private Hospital and University of NSW, St George Clinical School, Kogarah, Australia. 4. Department of Geriatrics, Sutherland Hospital, Caringbah, Australia.