1. Department of Orthopedic Surgery Asahi General Hospital Toyama Japan
2. National Database Japan‐Osteoporosis Management (NDBJ‐OS) Study Group, Department of Public Health Kindai University Faculty of Medicine Osaka‐Sayama Japan
3. Department of Health Administration and Policy Tohoku University School of Medicine Sendai Japan
4. Department of Regulatory Science, School of Pharmacy Tokyo University of Pharmacy and Life Sciences Hachioji Japan
5. Department of Hygiene & Public Health Osaka Medical and Pharmaceutical University Takatsuki Japan
6. Department of Orthopedic Surgery Okimoto Clinic Kure Japan
7. Department of Geriatric Medicine, Graduate School of Medicine The University of Tokyo Tokyo Japan
8. Department of Public Health Kindai University Faculty of Medicine Osaka‐Sayama Japan