1. Department of Dermatology; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan
2. Department of Dermatology; Gifu University Graduate School of Medicine; Gifu Japan
3. Department of Dermatology; Asahikawa Medical University; Asahikawa Japan
4. Department of Dermatology; Tokyo Teishin Hospital; Tokyo Japan
5. Department of Dermatology; St Luke's International Hospital; Tokyo Japan
6. Department of Dermatology and Allergology; Atopy (Allergy) Research Center; Juntendo University Graduate School of Medicine; Tokyo Japan
7. Department of Dermatology; Tokyo Medical University; Tokyo Japan
8. Department of Environmental Immuno-Dermatology; Yokohama City University Graduate School of Medicine; Kanagawa Japan
9. Department of Dermatology; Yokohama City University Medical Center; Kanagawa Japan
10. Department of Dermatology; Tokai University School of Medicine; Kanagawa Japan
11. Department of Dermatology; Juntendo University Urayasu Hospital; Chiba Japan
12. Department of Geriatric and Environmental Dermatology; Nagoya City University Graduate School of Medical Sciences; Nagoya Japan
13. Department of Dermatology; Hyogo College of Medicine; Nishinomiya Japan
14. Department of Dermatology; Osaka City University Graduate School of Medicine; Osaka Japan
15. Department of Dermatology; JR Sapporo Hospital; Sapporo Japan
16. Department of Internal Medicine and Rheumatology; Juntendo University School of Medicine; Tokyo Japan