1. Department of Dermatology; Southern Philippines Medical Center; Davao Philippines
2. St John's Institute of Dermatology; King's College London; London UK
3. Department of Dermatology; National Cheng Kung University Hospital; Tainan Taiwan
4. Institute of Clinical Medicine; College of Medicine; National Cheng Kung University; Tainan Taiwan
5. Viapath; St Thomas' Hospital; London UK