1. Dermatopathology Department; St John's Institute of Dermatology; St Thomas’ Hospital; London; UK
2. Department of Pathology; Hospital Reina Sofia and Universidad de Murcia; Murcia; Spain
3. Pathology Department; Hospital Virgen de la Macarena; Seville; Spain
4. Sikl's Department of Pathology; Charles University Medical Faculty Hospital; Pilsen; Czech Republic
5. Dermatopathologie Friedrichshafen; Friedrichshafen; Germany
6. Pathology Department; Western General Hospital; Edinburgh; UK