1. Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
2. Pathology Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
3. Dermatology Service; Memorial Sloan-Kettering Cancer Center; New York NY U.S.A
4. Dermatology Unit; Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico; Milan Italy
5. Dermatology Unit; University of Siena; Siena Italy
6. Dermatopathology Unit; San Gallicano Dermatological Institute; IRCCS; Rome Italy
7. Department of Oncology; Anatomic Pathology Unit; Gaetano Rummo General Hospital; Benevento Italy
8. Pathology Unit; University of Modena and Reggio Emilia; Modena Italy
9. The University of Queensland Australia; Gladstone GP Superclinic; Gladstone Qld Australia
10. I.C.L.I.D.; Milan Italy
11. Private Practice; Nice France
12. Clinic of Dermatology and Venereology; Faculty of Medicine; Military Medical Academy; Belgrade Serbia
13. Service of Prevention and Early Melanoma Diagnosis; Department of Medical Oncology Centro di Riferimento Oncologico - National Cancer Institute; Aviano Italy
14. Skin Cancer Unit; IRCCS - Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori; Meldola FC Italy
15. Melanoma Unit; Dermatology Department; Hospital Clinic; University of Barcelona; IDIBAPS; Barcelona Spain
16. Private Practice; Perugia Italy
17. General Practitioner; Thorpewood Medical Group; Norwich U.K
18. Division of Dermatology and Venerology; Medical University of Graz; Austria
19. Dermatology Unit; University of Modena and Reggio Emilia; Modena Italy