1. Department of Dermatology Seoul National University College of Medicine Seoul Korea
2. Department of Dermatology Konkuk University School of Medicine Seoul Korea
3. Department of Dermatology Seoul Metropolitan Government Seoul National University Boramae Medical Center Seoul Korea
4. Department of Dermatology Seoul National University Bundang Hospital Seongnam‐si Korea
5. Laboratory of Cutaneous Aging and Hair Research Clinical Research Institute, Seoul National University Hospital Seoul Korea
6. Institute of Human‐Environment Interface Biology Seoul National University Seoul Korea