Affiliation: | 1. Department of Clinical Epidemiology and Health Economics, School of Public Health, Graduate School of Medicine, The University of Tokyo, Bunkyo‐ku, Tokyo, Japan;2. Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan;3. Department of Clinical Data Management and Research, Clinical Research Center, National Hospital Organization Headquarters, Meguro‐ku, Tokyo, Japan;4. Department of Health Informatics and Policy, Tokyo Medical and Dental University Graduate School of Medicine, Bunkyo‐ku, Tokyo, Japan |