1. Centro Oncologico ad Alta Tecnologia Diagnostica Azienda Unità Sanitaria Locale ‐ IRCCS di Reggio Emilia Reggio Emilia Italy
2. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
3. Dermatology Università Cattolica, Rome and Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
4. Department of Medical Sciences Section of Dermatology and Infectious Diseases University of Ferrara Ferrara Italy
5. Dermatology Unit Sapienza University of Rome Rome Italy