1. First Department of Dermatology; National and Kapodistrian University of Athens School of Medicine; Andreas Sygros Hospital; Athens Greece
2. Department of Dermatology; University of L'Aquila; L'Aquila Italy
3. Cancer Genomics Program; Veneto Institute of Oncology IOV - IRCCS; Padua Italy
4. Institute of Dermatology; Catholic University; Rome Italy
5. Dermatology Department; Melanoma Unit; Hospital Clinic de Barcelona; Universitat de Barcelona; Barcelona Spain
6. Instituto de Investigacion Biomedica August Pi i Sunyer (IDIBAPS); Barcelona Spain
7. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER); Barcelona Spain
8. Immunology and Diagnostic Molecular Oncology Unit; Veneto Institute of Oncology IOV - IRCCS; Padua Italy
9. Dermatology Unit; Maurizio Bufalini Hospital; Cesena Italy
10. Department of Internal Medicine and Medical Specialties; University of Genoa and Genetics of Rare Cancers; University Hospital Policlinico San Martino-IRCCS; Genoa Italy
11. Unit of Melanoma; Department of Oncology and Hematology; Papa Giovanni XXIII Cancer Center Hospital; Bergamo Italy
12. Department of Surgery and Translational Medicine; University of Florence; Florence Italy
13. Immunotherapy Unit; Department of Experimental Oncology and Molecular Medicine; Fondazione IRCCS Istituto Nazionale dei Tumori; Milan Italy
14. Department of Internal Medicine; Laikon Hospital; National and Kapodistrian University of Athens School of Medicine; Athens Greece
15. Department of Twin Research and Genetic Epidemiology; Kings College; London UK
16. Human Genetics Program; Division of Cancer Epidemiology and Genetics; National Cancer Institute; National Institutes of Health; Bethesda MD USA
17. Population Health Department; QIMR Berghofer Medical Research Institute; Brisbane Qld Australia
18. Department of Dermatology; Instituto Valenciano de Oncología; València Spain