1. Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea.
2. Department of Dermatology, Kyung Hee University School of Medicine, Seoul, Korea.
3. Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Dermatology, The Catholic University of Korea School of Medicine, Seoul, Korea.
5. Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.
6. Department of Dermatology, Yonsei University College of Medicine, Seoul, Korea.
7. Department of Dermatology, Inha University School of Medicine, Incheon, Korea.
8. Department of Dermatology, Pusan National University School of Medicine, Busan, Korea.
9. Department of Dermatology, Jeonbuk National University Medical School, Jeonju, Korea.
10. Department of Dermatology, Chosun University College of Medicine, Gwangju, Korea.