1. Department of Dermatology Chung‐Ang University College of Medicine Seoul South Korea
2. Department of Dermatology Seoul National University, Bundang Hospital Seongnam South Korea
3. Department of Otorhinolaryngology‐Head and Neck Surgery Chung‐Ang University College of Medicine Seoul South Korea
4. Department of Dermatology Chung‐Ang University Gwangmyeong Hospital, Chung‐Ang University College of Medicine Gwangmyeong‐si Republic of Korea