1 Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology, Immunohematology, and Transplantation and University Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy; IRCCS SDN, Naples, Italy. Electronic address: claudio.napoli@unicampania.it.
2 Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria della Misericordia", University of Perugia, Perugia, Italy.
3 Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology, Immunohematology, and Transplantation and University Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
4 Department of Cardiac Surgery, Azienda Ospedaliera Universitaria San Giovanni di Dio e Ruggi d'Aragona, Salerno, Italy.
5 Cardiology and Cardiovascular Pathophysiology, Azienda Ospedaliero-Universitaria "S. Maria della Misericordia", University of Perugia, Perugia, Italy; Cardiovascular Department, MultiMedica IRCCS, Sesto San Giovanni, Milan, Italy.