1. Dermatology Unit University of Campania “Luigi Vanvitelli” Naples Italy
2. Department of Dermatology Medical University of Vienna Vienna Austria
3. First Department of Dermatology, Medical School, Faculty of Health Sciences Aristotle University Thessaloniki Thessaloniki Greece
4. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
5. Azienda Sanitaria Locale, IRCCS di Reggio Emilia Centro Oncologico ad Alta Tecnologia Diagnostica‐Dermatologia Reggio Emilia Italy
6. Dermatology Department, Melanoma Unit, Hospital Clínic de Barcelona, Instituto de Investigaciones Biomédicas August Pi i Sunye Universitat de Barcelona Barcelona Spain
7. Pathology Unit University of Campania "Luigi Vanvitelli" Naples Italy
8. Department of Dermatology, Lyons Cancer Research Center Lyon 1 University Lyon France