1. Department of Anesthesiology and Intensive Care Medicine, Kanazawa University
2. Department of Health Services Research, Graduate School of Medicine, The University of Tokyo
3. Department of Respiratory Medicine, The University of Tokyo Hospital
4. Save Sight Institute, The University of Sydney, South Block, Sydney Eye Hospital
5. Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo
6. Department of Health Policy and Informatics, Tokyo Medical and Dental University Graduate School of Medicine and Dental Science