1. Public Health, Department of Social Medicine Osaka University Graduate School of Medicine Suita Osaka Japan
2. Department of Psychology McGill University Montreal QC Canada
3. Department of Anesthesiology and Pain Management Juntendo University Faculty of Medicine Tokyo Japan
4. Department of Public Health Hokkaido University Graduate School of Medicine Sapporo Hokkaido Japan
5. Osaka Center for Cancer and Cardiovascular Diseases Prevention Osaka Japan
6. Department of Public Health Medicine Faculty of Medicine, University of Tsukuba Tsukuba Ibaraki Japan