1. Department of Cell Biological Science, Faculty of Advanced Life Science, Hokkaido University, Hokkaido, Japan
2. Division of Biomedical Oncology, Institute for Genetic Medicine, Hokkaido University, Hokkaido, Japan
3. Department of Social Welfare Science and Clinical Psychology, Osaka Metropolitan University Graduate School of Human Life and Ecology, Osaka, Japan
4. Department of Public Health and Hygiene, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
5. Department of Nutritional Epidemiology and Shokuiku, National Institute of Biomedical Innovation, Health and Nutrition, Tokyo, Japan
6. Suttu Municipal Clinic, Hokkaido, Japan
7. The Centre for Family Medicine, Hokkaido, Japan
8. Department of Public Health, Faculty of Medicine, Hokkaido University, Hokkaido, Japan