[1] Columbia Univ, Vagelos Coll Phys & Surg, Dept Med, Div Endocrinol, New York, NY 10032 USA
[2] Univ Pernambuco, Med Sch Recife, Div Endocrinol, Recife, PE, Brazil
[3] Univ Hosp Pisa, Endocrine Unit 2, Pisa, Italy
[4] Singapore Gen Hosp, Dept Endocrinol, Osteoporosis & Bone Metab Unit, Singapore, Singapore
[5] Lenox Hill Hosp, Dept Med, Div Endocrinol, New York, NY 10021 USA
[6] Monash Univ, Sch Clin Sci, Dept Med, Clayton, Vic, Australia
[7] San Raffaele Vita Salute Univ, Inst Endocrine & Metab Sci, Milan, Italy
[8] IRCCS Hosp, Milan, Italy
[9] Odense Univ Hosp, Dept Endocrinol, Bone & Calcium Unit, Odense, Denmark
[10] Odense Univ Hosp, Dept Endocrinol, Mol Endocrinol Unit, Odense, Denmark
[11] Univ Calif San Francisco, Dept Surg, San Francisco, CA 94143 USA
[12] New Mexico Clin Res & Osteoporosis Ctr, Albuquerque, NM USA
[13] St Johns Canc Inst, Endocrine Bone Dis Program, Santa Monica, CA USA
[14] Queen Elizabeth Hosp, Ctr Endocrinol Diabet & Metab, Birmingham, W Midlands, England
[15] Univ Birmingham, Birmingham, W Midlands, England
[16] McMaster Univ, Div Endocrinol & Metab, Hamilton, ON, Canada
[17] Univ Pisa, Univ Hosp Pisa, Endocrine Unit 2, Dept Clin & Expt Med, Pisa, Italy
[18] Aarhus Univ Hosp, Dept Endocrinol & Internal Med, Aarhus, Denmark
[19] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[20] Massachusetts Gen Hosp, Dept Med, Endocrine Unit, Boston, MA 02114 USA
[21] Harvard Med Sch, Boston, MA 02115 USA