1. Dermatologic Unit Department of Systems Medicine University of Rome Tor Vergata Rome Italy
2. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
3. Centro Oncologico ad Alta Tecnologia Diagnostica Azienda Unità Sanitaria Locale‐IRCCS di Reggio Emilia Reggio Emilia Italy
4. Division Medical Oncology and Preventive Oncology National Cancer Institute Aviano Italy
5. Dermatology Clinic Maggiore Hospital University of Trieste Trieste Italy
6. Department of Medical Surgical and Neurological Science Dermatology Section S. Maria Alle Scotte Hospital University of Siena Siena Italy
7. Dermatology IRCCS di Policlinico Sant'Orsola Hospital Bologna Italy
8. Dermatology Section Department of Experimental Diagnostic and Specialty Medicine DIMES University of Bologna Bologna Italy
9. Dermatology Unit University of Campania Luigi Vanvitelli Naples Italy
10. First Department of Dermatology School of Medicine Aristotle University Thessaloniki Greece
11. Second Department of Dermatology School of Medicine Aristotle University Thessaloniki Greece
12. Department of Dermatology University Hospital of Saint‐Etienne Saint‐Etienne France
13. Dermatology Clinic Department of Clinical Internal Anesthesiological and Cardiovascular Sciences Sapienza University of Rome Rome Italy