Affiliation: | 1. Department of Public Health Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan;2. Fukushima College, Fukushima, Japan;3. Fukuoka Institute of Health and Environmental Sciences, Dazaifu, Japan;4. Department of Public Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;5. Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine, Suita, Japan;6. Department of Health and Psychosocial Medicine, Aichi Medical University School of Medicine, Nagakute‐cho, Aichi Prefecture, Japan |