1. Department of Dermatology & Cutaneous Biology Research Institute; Yonsei University College of Medicine; Seoul Korea
2. Brain Korea 21 PLUS Project for Medical Science; Yonsei University College of Medicine; Seoul Korea
3. Department of Dermatology; Yanbian University Hospital; Yanji Jilin China
4. Department of Dermatology and Research Institute for Medical Sciences; Chungnam National University; Daejeon Korea