1. Center for Innovative Research for Communities and Clinical Excellence (CiRC2LE), Fukushima Medical University, Japan
2. Department of Pharmacoepidemiology, Graduate School of Medicine and Public Health, Kyoto University, Japan
3. Department of General Medicine, Shirakawa Satellite for Teaching And Research (STAR), Fukushima Medical University, Japan
4. Department of Innovative Research and Education for Clinicians and Trainees (DiRECT), Fukushima Medical UniversityHospital, Japan
5. Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
6. Department of General Internal Medicine, Fukushima Medical University, Fukushima, Japan
7. Futaba Emergency and General Medicine Support Center, Fukushima Medical University
8. Section of Clinical Epidemiology, Department of Community Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
9. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health (JHSPH), Baltimore, ML, USA