1. Melanoma Unit, Department of Dermatology, Hospital Clínic de Barcelona, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain2Centre of Biomedical Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III (ISCIII), Barcelona, Spain
2. Department of Dermatology, Hospital del Mar, Institut Hospital del Mar d’Investigacions Mèdiques, Universitat Autònoma de Barcelona, Barcelona, Spain
3. Department of Dermatology, University of Naples Federico II, Naples, Italy
4. Dermatology and Skin Cancer Unit, Arcispedale Santa Maria Nuova Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Reggio Emilia, Italy6Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy
5. Melanoma Unit, Department of Dermatology, Hospital Clínic de Barcelona, Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
6. Città della Salute e della Scienza, Turin, Italy
7. Unità Operative (UO) Dermatologia Fondazione IRCCS, Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy
8. Dermatology, Hospital Son Llatzer, Palma Mallorca, Spain
9. Dermatology Department, Hospital Sant Pau i Santa Tecla, Tarragona, Spain
10. Department of Dermatology, Centre Hospitalier Lyon Sud, Lyon 1 University, Lyons Cancer Research Center (Pr Puisieux), Lyon, France
11. Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria