1 Heart Failure, Transplant and Mechanical Cardiocirculatory Support Unit, Department of Pediatric Cardiology and Cardiac Surgery, Heart Lung Transplantation, ERN GUARD HEART: Bambino Gesù Hospital and Research Institute, Rome, Italy.
2 Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy.