1. Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy
2. Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
3. Department of Medicine and Health Sciences “Vincenzo Tiberio”, Università degli Studi del Molise, 86100 Campobasso, Italy