1. Department of Dermatology, Dongtan Sacred Heart Hospital Hallym University College of Medicine Hwaseong Republic of Korea
2. Gangdong Oaro Dermatology Institute Seoul Republic of Korea
3. Department of Dermatology Chung‐Ang University, College of Medicine Seoul Republic of Korea
4. Guam Dermatology Institute Guam USA
5. Yongsan Oaro Dermatology Institute Seoul Republic of Korea
6. Department of Dermatology Dankook University, College of Medicine Cheonan Republic of Korea
7. Department of Pathology, Dongtan Sacred Heart Hospital Hallym University College of Medicine Hwaseong Republic of Korea