1. St John's Institute of Dermatology King's College London Guy's Hospital London U.K.
2. Department of Dermatology Hiroshima University Hiroshima Japan
3. St John's Institute of Dermatology Guy's and St Thomas’ NHS Foundation Trust London U.K.
4. Department of Dermatology National Cheng Kung University Hospital College of Medicine National Cheng Kung University Tainan Taiwan
5. Institute of Clinical Medicine College of Medicine National Cheng Kung University Tainan Taiwan