1. Department of Endocrinology and Metabolism, Shanghai Tenth People’s Hospital, Tongji University School of Medicine , Shanghai, 200072 , China
2. Division of Endocrine, Massachusetts General Hospital, Harvard Medical School , Boston, MA 02114 , USA
3. Division of Rheumatology, Massachusetts General Hospital, Harvard Medical School , Boston, MA 02114 , USA
4. Harvard Orthopaedic Trauma Initiative, Massachusetts General Hospital, Harvard Medical School , Boston, MA 02114 , USA
5. Division of Geriatrics, Massachusetts General Hospital, Harvard Medical School , Boston, MA 02114 , USA