1. Department of Medicine, Surgery and Dentistry, University of Salerno, 84084 Salerno, Italy
2. Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
3. Unit of Dermatology, Department of Mental Health and Physics and Preventive Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy