1. Dermatology Unit Ospedale Policlinico San Martino Genoa Italy
2. DI.S.Sal., Section of Dermatology University of Genoa Genoa Italy
3. Division of General Medicine Asl 3 Genovese Genoa Italy
4. Department of Radiology, Fondazione IRCCS Policlinico San Matteo Medical School University of Pavia Pavia Italy