1. Department of Dermatology University of Trieste Trieste Italy
2. Department of Medical Oncology Centro di Riferimento Oncologico di Aviano, CRO IRCCS Aviano Italy
3. Department of Medical Surgical and Health Sciences University of Trieste Trieste Italy
4. Division of Pathology Centro di Riferimento Oncologico di Aviano, CRO IRCCS Aviano Italy
5. Dermatology Section Department of Medical, Surgical and Neurological Science University of Siena S. Maria alle Scotte Hospital Siena Italy
6. Department of Medicine University of Udine Udine Italy