1. Dermatology Clinic Maggiore Hospital University of Trieste Trieste Italy
2. Department of Medical Oncology‐Preventive Oncology Centro di Riferimento Oncologico di Aviano (CRO) IRCCS Aviano Italy
3. Unit of Cancer Epidemiology Centro di Riferimento Oncologico di AvianoIRCCS Aviano Italy
4. Department of Clinical and Experimental Medicine Dermatology Section University of Messina Messina Italy
5. Department of Dermatology Medical University of Graz Graz Austria
6. Skin Spectrum Medical Services Como WA Australia
7. School of Clinical Medicine The University of Queensland Brisbane QLD Australia
8. Centre de Dermatologie Nemours France