1. Department of Dermatology; University Hospital of St-Etienne; Saint-Etienne France
2. Department of Medical; Surgical and Neurological Science; Dermatology Section; University of Siena; S. Maria alle Scotte Hospital; Siena Italy
3. Departments of Dermatology; Centre Hospitalier Lyon Sud; Pierre Benite France
4. Melanoma Unit; Department of Dermatology; Hospital Clínic de Barcelona; IDIBAPS; Barcelona University; Barcelona Spain
5. Dermatology Clinic; University of Catania; Catania Italy
6. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
7. Dermatology Unit; Second University of Naples; Nuovo Policlinico; Naples Italy
8. Department of Dermatology and Venerology; Medical University of Graz; Graz Austria
9. Department of Dermatology; Medical University of Vienna; Vienna Austria
10. Department of Dermatology; Clinical Research Center; Hopital Archet 2; Nice France
11. Medicine and Medical Specialities Department; Madrid and Dermatology Department; Alcalá University; Memorial Sloan-Kettering Cancer Center; New York NY USA
12. Department of Dermatology; The University of Sydney; Sydney Melanoma Diagnostic Centre and Melanoma Institute Australia; Sydney NSW Australia
13. Clinical Dermatology; San Gallicano Dermatological Institute; Rome Italy
14. Department of Medical Biotechnologies; University of Siena; Siena Italy
15. Department of Bioinformatics and Telemedicine; Jagiellonian University Medical College; Krakow Poland
16. Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
17. Department of Medical Sciences; University of Turin; Turin Italy