1. Department of Dermatology; Royal Devon and Exeter NHS Foundation Trust; Exeter Devon UK
2. Department of Dermatology; Dorset County Hospital NHS Foundation Trust; Dorchester Dorset UK
3. Department of Dermatology; St. John's Institute of Dermatology; Guy's Hospital; London UK
4. Department of Dermatopathology; St. John's Institute of Dermatology; St Thomas’ Hospital; London UK