aDivision of Cardiac Surgery, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola-Malpighi

bDepartment of Medical and Surgical Science, DIMEC, University of Bologna, Bologna, Italy

Correspondence to Marianna Berardi, Division of Cardiac Surgery, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola-Malpighi, University of Bologna, Via Giuseppe Massarenti, 9 – 40138, Bologna, Italy Tel: +051/2143361; fax: +051/345990; e-mail: [email protected]

Received 27 January, 2022

Revised 25 April, 2022

Accepted 29 May, 2022