1 Dermatology Section, Department of Medical, Surgical and Neurological Science, S. Maria alle Scotte Hospital, University of Siena, Siena, Italy.
2 Department of Dermatology, University Hospital of St-Etienne, Saint-Etienne, France.
3 Medicine and Medical Specialities Department, Alcalá University, Madrid, Spain.
4 Departments of Dermatology, Centre Hospitalier Lyon Sud, Pierre Benite, France.
5 Dermatology Unit, University of Campania Luigi Vanvitelli, Naples, Italy.
6 Clinical Dermatology, San Gallicano Dermatological Institute, Rome, Italy.
7 Dermatology Clinic, University of Catania, Catania, Italy.
8 Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy.
9 Melanoma Unit, Department of Dermatology, Hospital Clínic de Barcelona, IDIBAPS, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona University, Barcelona, Spain.
10 Department of Medical Biotechnologies, University of Siena, Siena, Italy.
11 Department of Dermatology, Clinical Research Center, Hopital Archet 2, Nice, France.