1. Department of Epidemiology for Community Health and Medicine; Kyoto Prefectural University of Medicine; Kyoto Japan
2. Department of Neurology; Kyoto Prefectural University of Medicine; Kyoto Japan
3. Department of Neurosurgery; Juntendo University Graduate School of Medicine; Tokyo Japan
4. Department of Epidemiology and Environmental Health; Juntendo University Graduate School of Medicine; Tokyo Japan
5. Department of Public Health; Osaka City University Faculty of Medicine; Osaka Japan
6. College of Healthcare Management; Fukuoka Japan
7. Department of Public Health; Hokkaido University Graduate School of Medicine; Sapporo Japan
8. Department of Behavioral Neurology and Cognitive Neuroscience; Tohoku University Graduate School of Medicine; Sendai Japan
9. Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology; Yamagata University Faculty of Medicine; Yamagata Japan
10. Mediscience Planning Inc.; Tokyo Japan