1. Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime 791-0295, Japan
2. Research Promotion Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan
3. Department of Health Promotion, National Institute of Public Health, Saitama, Japan
4. Department of Social and Preventive Epidemiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
5. Wellness Research Fields, Faculty of Global and Regional Studies, University of the Ryukyus, Okinawa, Japan