1Department of Orthopaedic Surgery, Hadassah University Hospital, P0 Box 12000, Em Kerem, 91 120 Jerusalem, Israel
2Department of Internal Medicine, Tel-Aviv Medical Centre. Ichilov Hospital, Tel-Aviv 64239, Israel
3Israel Defence Forces, Medical Corps, Israel, Military POB 02149
4Department of Surgery, Tel-Aviv Medical Centre, Ichilov Hospital, Tel-Aviv 64239, Israel
5Department of Nuclear Medicine, Hadassah University Hospital, P0 Box 12000, Em Kerem, 91 120 Jerusalem, Israel
6Osteoporosis Institute, Jerusalem, Israel