1. CNP Skin Clinic, Cheonan, Republic of Korea
2. Department of Dermatology, College of Medicine, Soonchunhyang University, Seoul, Republic of Korea
3. Department of Dermatology, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
4. Department of Dermatology, College of Medicine, Soonchunhyang University, Bucheon, Republic of Korea