1. Department of Public Health, Health Management and Policy Nara Medical University Nara Japan
2. Department of Diabetes and Endocrinology Nara Medical University Nara Japan
3. Healthcare and Wellness Division Mitsubishi Research Institute Tokyo Japan
4. Diabetes and Metabolism Information Center, Research Institute National Center for Global Health and Medicine Tokyo Japan
5. Department of Health Services Research, Faculty of Medicine University of Tsukuba Ibaraki Japan
6. Department of Doctor‐Patient Relationships Nara Medical University Nara Japan