1. Department of Hygiene and Preventive Medicine; School of Medicine, Fukushima Medical University; Fukushima Japan
2. Center for Innovative Research for Communities and Clinical Excellence (CiRC LE); Fukushima Medical University; Fukushima Japan
3. Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine; Kyoto University; Kyoto Japan
4. Department of Nephrology and Dialysis, Kyoritsu Hospital; Hyogo Japan
5. Human Health Sciences, Graduate School of Medicine; Kyoto University; Kyoto Japan