1. St John's Institute of Dermatology; King's College London (Guy's Campus); London U.K.
2. Department of Dermatology; Nagoya University Graduate School of Medicine; Nagoya Japan
3. Viapath, St Thomas' Hospital; London U.K.
4. Department of Dermatology; Great Ormond Street Hospital for Children NHS Foundation Trust; London U.K.
5. Department of Dermatology; Portsmouth Hospitals Trust; Portsmouth U.K.