1. Department of Dermatology; Nippon Medical School; Tokyo Japan
2. Department of Dermatology; Faculty of Medicine; Fukuoka University; Fukuoka Japan
3. Kojinkai Sapporo Skin Clinic; Sapporo Japan
4. Department of Geriatric and Environmental Dermatology; Nagoya City University Graduate School of Medical Sciences; Nagoya Japan
5. Department of Health Services Management and Policy; Kyushu University; Fukuoka Japan
6. Department of Dermatology; Kyoto Prefectural University of Medicine Graduate School of Medical Science; Kyoto Japan
7. Department of Dermatology; Graduate School of Medicine; Osaka University; Osaka Japan
8. Department of Dermatology; Federation of National Public Service Personnel Mutual Aid Associations; Hamanomachi Hospital; Fukuoka Japan
9. Department of Dermatology; Faculty of Medicine; University of Tokyo; Tokyo Japan
10. Department of Dermatology; Graduate School of Medicine; Kyoto University; Kyoto Japan
11. Department of Dermatology; Shimane University Faculty of Medicine; Shimane Japan
12. Department of Dermatology; Integrated Health Sciences; Institute of Biomedical and Health Sciences; Hiroshima University; Hiroshima Japan
13. Department of Environmental Immuno-Dermatology; Yokohama City University Graduate School of Medicine; Kanagawa Japan
14. Department of Dermatology; Showa University School of Medicine; Tokyo Japan
15. Department of Dermatology; Tokyo Women's Medical University; Tokyo Japan
16. Department of Dermatology; Kanazawa Medical University; Ishikawa Japan
17. Department of Dermatology; University of Occupational and Environmental Health; Kitakyushu Japan
18. Department of Community Health Sciences; UCLA Fielding School of Public Health; Los Angeles California USA
19. Department of Dermatology; Kyushu University; Fukuoka Japan