1. Department of DermatologyCollege of MedicineThe Catholic University of Korea Seoul Korea
2. Department of DermatologyYonsei University College of Medicine Seoul Korea
3. Department of DermatologyAjou University Hospital School of Medicine Suwon Korea
4. Department of DermatologySchool of MedicineKeimyung University Daegu Korea
5. Department of DermatologyKaohsiung Medical University Hospital, and College of MedicineKaohsiung Medical University Kaohsiung Taiwan
6. Department of DermatologyHuashan HospitalFudan University Shanghai China
7. Department of DermatologyDong‐A University School of Medicine Busan Korea
8. Department of DermatologyFaculty of MedicineYamagata University Yamagata Japan
9. Department of Pigmentation Research and Therapeutics Graduate School of MedicineOsaka City UniversityOsakaJapan
10. Department of DermatologyChonnam National University School of Medicine Gwangju Korea