1. Department of Ophthalmology; Juntendo University Graduate School of Medicine; Tokyo Japan
2. Department of Ophthalmology; Juntendo Tokyo Koto Geriatric Medical Center; Tokyo Japan
3. Department of Ophthalmology; Juntendo University School of Medicine; Tokyo Japan
4. National Institute of Public Health; Saitama Japan
5. Department of Orthopaedic Surgery; Fukushima Medical University School of Medicine; Fukushima Japan
6. Institute for Health Outcomes & Process Evaluation Research; Kyoto Japan
7. Department of Healthcare Epidemiology; School of Public Health in Graduate School of Medicine; Kyoto University; Kyoto Japan
8. Department of Ophthalmology; Kyorin University School of Medicine; Tokyo Japan
9. Center for Innovation in Clinical Research; Fukushima Medical University; Fukushima Japan