1. Kyoto University Graduate School of Medicine / School of Public Health; Department of Health Promotion and Human Behavior; Yoshida Konoe-cho, Sakyo-ku Kyoto Japan 601-8501
2. Kyoto University Graduate School of Medicine / School of Public Health; Department of Field Medicine; Kyoto Japan
3. University of Bristol; Centre for Academic Mental Health, School of Social and Community Medicine; Oakfield House Oakfield Grove Bristol Avon UK BS8 2BN
4. University of Bristol; School of Social and Community Medicine; Canynge Hall, 39 Whatley Road Bristol Avon UK BS8 2PS
5. Kyoto University Graduate School of Medicine / School of Public Health; Departments of Health Promotion and Behavior Change and of Clinical Epidemiology; Yoshida Konoe-cho, Sakyo-ku, Kyoto Japan 601-8501