1. Institute of Dermatology Catholic University of Rome Rome Italy
2. Fondazione Policlinico Universitario A. Gemelli‐IRCCS Rome Italy
3. Department of Dermatology Department of Biotechnological and Applied Clinical Sciences University of L'Aquila L'Aquila Italy
4. Centro Oncologico ad Alta Tecnologia Diagnostica Azienda Unità Sanitaria Locale‐IRCCS di Reggio Emilia Reggio Emilia Italy
5. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
6. Centre for Dermatooncology Department of Dermatology Eberhard‐Karls University Tuebingen Germany