1. Department of Dermatology College of Medicine The Catholic University of Korea Seoul Korea
2. Chonnam National University School of Medicine Gwangju Korea
3. White Line Skin Clinic Changwon Korea
4. Inha University School of Medicine Incheon Korea
5. Kyungpook National University School of Medicine Daegu Korea
6. Kyung Hee University School of Medicine Seoul Korea
7. Dongkuk University School of Medicine Ilsan Korea
8. Dong‐A University School of Medicine Busan Korea
9. Pusan National University School of Medicine Busan Korea
10. Soon Chun Hyang University School of Medicine Bucheon Korea
11. Cha University Bundang Cha Medical Center School of Medicine Bundang Korea
12. SungKyunKwann University School of Medicine Seoul Korea
13. Seoul National University School of Medicine Seoul Korea
14. Ajou University Hospital School of Medicine Suwon Korea
15. Inje University Ilsan Paik Hospital School of Medicine Ilsan Korea
16. Chonbuk National University School of Medicine Cheonju Korea
17. Dankook University Hospital College of Medicine Cheonan Korea
18. Chungnam National University School of Medicine Daejeon Korea
19. YK Park Yoon Kee's Dermatology Clinic Seoul Korea