1. Dermatology Clinic Hospital Maggiore of Trieste, University of Trieste Trieste Italy
2. Department of Clinical and Experimental Medicine, Dermatology University of Messina Messina Italy
3. Plastic Surgery Unit, Section of Dermatology Campus Biomedico University Rome Italy
4. Department of Biomedical Science and Human Oncology Dermatological Clinic, University of Bari Bari Italy