1. Dermatology Unit; University of Modena and Reggio Emilia; Modena Italy
2. Dermatological Clinic; Department of Biomedical Science and Human Oncology; University of Bari; Bari Italy
3. Molecular Biology Section; Department of Basic Medical Sciences; Neurosciences and Sense Organs; University of Bari; Bari Italy
4. Hygiene Section; Department of Biomedical Sciences and Human Oncology; University of Bari; Bari Italy
5. Dermatology Unit; Hospital “A. Perrino”; Brindisi Italy