Affiliation: | 1. Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, Tokyo, Japan;2. Department of Cardiology, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan;3. Department of Cardiology, Tama‐Hokubu Medical Center, Tokyo, Japan;4. Department of Clinical Data Management and Research, Clinical Research Center, National Hospital Organization Headquarters, Tokyo, Japan;5. Department of Health Policy and Informatics, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan |