1. Department of Dermatology Severance HospitalYonsei University College of Medicine Seoul Korea
2. Department of Dermatology Chang Gung Memorial Hospital, and College of Medicine, Chang Gung University Taoyuan Taiwan
3. Department of Dermatology Samsung Medical Center Sungkyunkwan University School of Medicine SeoulKorea
4. Department of Dermatology Chonnam National University Medical School Gwangju Korea
5. Division of Medicine Sengkang General Hospital Singapore City Singapore
6. Novartis Pharmaceuticals Corporation East Hanover New Jersey USA
7. Novartis Singapore (Pte) Ltd Singapore City Singapore
8. Department of Dermatology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan