1. Department of Dermatology Kangnam Sacred Heart HospitalHallym University College of Medicine SeoulKorea
2. Department of Dermatology Korea University Ansan HospitalKorea University College of Medicine SeoulKorea
3. Department of Dermatology Seoul National University Boramae Medical CenterSeoul National University College of Medicine SeoulKorea
4. Department of Dermatology Hallym University Sacred Heart HospitalHallym University College of Medicine Anyang Korea