1. Department of Allergology Fujita Health University School of Medicine Nagoya Japan
2. Japanese Contact Dermatitis Research Group Nagoya Japan
3. Department of Integrative Medical Science for Allergic Disease Fujita Health University School of Medicine Nagoya Japan
4. Department of Dermatology Nagata Clinic Niigata Japan
5. Department of Dermatology Toho University Omori Medical Center Tokyo Japan
6. Nishi‐Sapporo Skin and Allergy Clinic Sapporo Japan
7. Environmental Dermatology & Allergology, Daiichi Clinic Nagoya Japan
8. Department of Dermatology Hyogo Prefectural Kakogawa Medical Center Kakogawa Japan
9. Department of Dermatology Fukuoka Sanno Hospital Fukuoka Japan
10. Watanabe Skin and Plastic Surgery Clinic Matsuyama Japan
11. Department of Dermatology Gokeikai Osaka Kaisei Hospital Osaka Japan
12. Joy Dermatological Clinic Sanyo‐Onoda Japan
13. Division of Dermatology, Department of Internal Related Kobe University Graduate School of Medicine Kobe Japan
14. Mochizuki Dermatological Clinic Nagano Japan
15. Department of Dermatology Chigasaki Municipal Hospital Chigasaki Japan
16. Department of Dermatology Yamagata City Hospital SAISEIKAN Yamagata Japan
17. Department of Dermatology Tokyo Medical and Dental University Tokyo Japan
18. Omorimachi Dermatology Tokyo Japan
19. Innovative and Clinical Research Promotion Center Gifu University Hospital Gifu Japan
20. Department of Dermatology Nara Medical University Hospital Kashihara Japan