1. Department of Dermatology Incheon St. Mary’s Hospital The Catholic University of Korea Incheon Korea
2. Eczema Research Association of Catholic Medical Center Seoul Korea
3. Department of Dermatology St. Vincent’s Hospital College of Medicine The Catholic University of Korea Gyeonggi‐do Korea
4. Department of Dermatology Uijeongbu St. Mary’s Hospital College of Medicine The Catholic University of Korea Gyeonggi‐do Korea
5. Department of Dermatology Eunpyung St Mary’s Hospital College of Medicine The Catholic University of Korea Seoul Korea
6. Department of Dermatology Yeouido St. Mary’s Hospital College of Medicine The Catholic University of Korea Seoul Korea
7. Department of Dermatology Bucheon St. Mary’s Hospital College of Medicine The Catholic University of Korea Gyeonggi‐do Korea
8. Department of Dermatology Seoul St. Mary’s Hospital College of Medicine The Catholic University of Korea Seoul Korea