1. Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Hong Kong, China.
2. The Jockey Club Centre for Osteoporosis Care and Control, The Chinese University of Hong Kong, Hong Kong, China.
3. Department of Obstetrics & Gynaecology, Peking Union Medical College, Peking, China.
4. Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong, China.
5. Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Peking, China.
6. Department of Radiology, Peking Union Medical College Hospital, Peking, China.
7. Department of Endocrinology, Peking Union Medical College Hospital, Peking, China.
8. Hong Kong Orthopaedic and Osteoporosis Research Centre, Hong Kong, China.
9. Fonterra Research Centre, Auckland, New Zealand.
10. St. Vincent's Hospital, Darlinghurst, New South Wales, Australia.
11. Academic Unit of Bone Metabolism, University of Sheffield, Sheffield, U.K.