1 Department of Internal Medicine ASL Salerno, "Santa Maria della Speranza" Hospital, Salerno, Italy.
2 Postgraduate Program in Allergy and Clinical Immunology, University of Naples "Federico II", Naples, Italy.
3 Department of Emergency and Organ Transplantation, School and Chair of Allergology and Clinical Immunology, University of Bari "Aldo Moro", Bari, Italy.
4 Dermatology Clinic, Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, University of Rome "Sapienza", Rome, Italy.
5 Dermatology Unit, Surgical, Medical and Dental Department of Morphological Sciences related to Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy.
6 Functional Unit Internal Medicine "Casa di Cure Orestano", Palermo, Italy.
7 Department of Mental Health, ASL Salerno, Salerno, Italy.