1. National Center for Global Health and Medicine (T.Nakam.), Tokyo 162–8655, Japan
2. Department of Medicine and Bioregulatory Sciences (T.Matsu.), University of Tokushima Graduate School of Medical Sciences, Tokushima 770–8503, Japan
3. Internal Medicine 1 (T.Su.), Shimane University Faculty of Medicine, Izumo 693–8501, Japan
4. Kenkoin Clinic (T.H.), Tokyo 104–0061, Japan
5. Department of Geriatric (T.Mi.), Osaka City University Medical School, Osaka 545–8585, Japan
6. Hori Hospital (I.G.), Yokohama 246–0021, Japan
7. Department of Orthopedic Surgery (H.Y.), Osaka University Graduate School of Medicine, Suita 565–0871, Japan
8. The First Department of Internal Medicine (Y.T.), University of Occupational and Environmental Health, Kitakyushu 807–8555, Japan
9. Department of Orthopaedic Surgery Faculty of Medicine (S.T.), The University of Tokyo, Tokyo 113–8655, Japan
10. Department of Nuclear Medicine (T.So.), Kurashiki 701–0192, Japan
11. Tamana Central Hospital (T.Nakan.), Tamana 865–0064, Japan
12. Division of Radiology (M.I.), Nagasaki University School of Medicine, Nagasaki 852–8501, Japan
13. Department of Biostatistics (S.M.), Nagoya University Graduate School of Medicine, Nagoya 466–8550, Japan
14. Osaka University Graduate School of Dentistry (T.Y.), Suita 565–0871, Japan
15. Daiichi Sankyo Co Ltd (H.T., K.W., T.O.), Tokyo 140–8710, Japan
16. Research Institute and Practice for Involutional Diseases (M.S.), Azumino 399–8101, Japan
17. Kawasaki Medical School (M.F.), Kurashiki 701–0192, Japan