1. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
2. Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia Centro Oncologico ad Alta Tecnologia Diagnostica‐Dermatologia Reggio Emilia Italy
3. Dermatology Department Hospital de Clínicas Montevideo Uruguay
4. Dermatology Department Hospital Universitary Vall d’Hebron Universitat Autònoma de Barcelona Barcelona Spain
5. Memorial Sloan Kettering Cancer Center New York New York USA
6. Dermatology Department Melanoma Unit, Hospital Clínic Universitat de Barcelona Barcelona Spain
7. Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain
8. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) Instituto de Salud Carlos III Barcelona Spain
9. Biochemistry and Molecular Genetics Department Melanoma Unit Hospital Clínic Universitat de Barcelona Barcelona Spain