1. Dermatology Unit University of Campania Luigi Vanvitelli Via Pasini, 5 80131 Naples Italy
2. Dermatology Unit Maggiore Hospital Trieste University of Trieste Piazza dell'Ospitale, 2 34100 Trieste Italy
3. Department of Anesthesiology, Surgery and Emergency University of Campania Luigi Vanvitelli Via Pasini, 5 80131 Naples Italy