Affiliation: | 1. Departments of Medicine and Epidemiology & Biostatistics, University of California, San Francisco, San Francisco, CA, USA;2. Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA;3. California Pacific Medical Center, San Francisco, CA, USA;4. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA;5. Merck & Co., Inc., Kenilworth, NJ, USA;6. Amgen Inc., Thousand Oaks, CA, USA;7. Mayo Clinic Center for Clinical and Translational Science, Rochester, MN, USA;8. Academic Unit of Bone Metabolism, University of Sheffield, Sheffield, UK |