[1] Geneva Univ Hosp, Dept Internal Med Specialties, Div Bone Dis, CH-1205 Geneva, Switzerland
[2] Fac Med, CH-1205 Geneva, Switzerland
[3] Holbaek Cent Hosp, Dept Med, Holbaek, Denmark
[4] Univ Southern Denmark, Inst Clin Res, OPEN, Odense, Denmark
[5] Univ Campus Biomed Roma, Dept Med, Unit Endocrinol & Diabet, Rome, Italy
[6] Washington Univ, Div Bone & Mineral Dis, St Louis, MO USA
[7] Lund Univ, Clin & Mol Osteoporosis Unit, Dept Clin Sci, Malmo, Sweden
[8] Singapore Gen Hosp, Dept Endocrinol, Osteoporosis & Bone Metab Unit, Singapore, Singapore
[9] Univ Sheffield, Mellanby Ctr Bone Res, Acad Unit Bone Metab, Sheffield, S Yorkshire, England
[10] Amer Univ Beirut, Med Ctr, WHO Collaborating Ctr Metab Bone Disorders, Dept Internal Med,Div Endocrinol,Calcium Metab &, Beirut, Lebanon
[11] Univ Toronto, Dept Med, Toronto, ON, Canada
[12] Univ Toronto, Dept Nutr Sci, Toronto, ON, Canada
[13] St Michaels Hosp, Div Endocrinol & Metab, Toronto, ON, Canada
[14] Univ British Columbia, Div Endocrinol, Dept Med, Vancouver, BC, Canada
[15] Endonet Endocrine Clin & Lab, Basel, Switzerland
[16] Fujita Hlth Univ, Div Endocrinol & Metab, Toyoake, Aichi, Japan
[17] Int Osteoporosis Fdn, Nyon, Switzerland
[18] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94143 USA
[19] Univ Manitoba, Dept Internal Med, Winnipeg, MB, Canada