[1] Singapore Gen Hosp, Dept Endocrinol, Osteoporosis & Bone Metab Unit, Singapore, Singapore
[2] Duke NUS Med Sch, Singapore, Singapore
[3] Asia Pacific Consortium Osteoporosis APCO, Singapore, Singapore
[4] Natl Univ Hlth Syst, Dept Rheumatol, Singapore, Singapore
[5] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[6] Singapore Gen Hosp, Osteoporosis & Bone Metab Unit, Outram Rd, Singapore 169608, Singapore