1. Department of Dermatology, Konkuk University School of Medicine, Seoul, Korea.
2. Department of Systemic Biotechnology, Chung-Ang University, Anseong, Korea.
3. Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
4. Research Institute of Medical Science, Konkuk University, Seoul, Korea.