| Affiliation: | (1) Department of Surgery, University Hospital, 751 85 Uppsala, Sweden;(2) Department of Surgery, ?stersunds Hospital, Box 654, 831 27 Ostersund, Sweden;(3) Department of Surgical Sciences, Uppsala University, 751 85 Uppsala, Sweden;(4) Departments of Internal Medicine and Geriatrics, Center for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;(5) Clinical and Molecular Osteoporosis Research Unit, Department of Orthopaedics and Clinical Sciences, Sk?ne University Hospital, Lund University, 205 02 Malm?, Sweden;(6) Bone and Mineral Unit, Department of Medicine, Oregon Health and Science University, Portland, OR, USA;(7) Department of Medical Sciences, Uppsala University, 751 85 Uppsala, Sweden |
