[1] Maria Cecilia Hosp, Cardiovasc Dept, GVM Care & Res, I-48033 Cotignola, Ravenna, Italy
[2] Alma Mater Studiorum Univ Bologna, Dept Med & Surg Sci, I-40138 Bologna, Italy
[3] IRCCS Azienda Osped Univ Bologna, Dept Integrated Infect Risk Management, Infect Dis Unit, I-40138 Bologna, Italy
[4] IRCCS Azienda Osped Univ Bologna, Cardiac Surg Dept, I-40138 Bologna, Italy
[5] Univ Bologna, Dept Expt Diagnost & Surg Med DIMEC, I-40126 Bologna, Italy