1. Department of Dermatology, Kyungpook National University School of Medicine, Daegu, Korea.
2. Department of Dermatology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Department of Dermatology, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Dermatology, Chonnam National University Medical School, Gwangju, Korea.
5. Department of Dermatology, Korea University College of Medicine, Seoul, Korea.
6. Department of Dermatology, Sungkyunkwan University School of Medicine, Seoul, Korea.
7. Department of Dermatology, Catholic Kwandong University College of Medicine, Incheon, Korea.
8. Department of Dermatology, Dankook University College of Medicine, Cheonan, Korea.