1. Department of Congenital Cardiac Surgery, IRCCS Policlinico San Donato, San Donato M.se, Italy
2. Pediatric and Adult Congenital Heart Centre, IRCCS Policlinico San Donato, San Donato M.se, Italy
3. Centro per la Cura delle Cardiopatie Congenite dell’Adulto, Istituto Clinico Ligure di Alta Specialità (ICLAS), Rapallo, Italy
4. Department of Pediatric Cardiac Surgery, Bambino Gesù Children`s Hospital IRCCS, Roma, Italy
5. Pediatric Cardiology and Cardiac Surgery Unit, Cardiovascular Department, Papa Giovanni XXIII Hospital, Bergamo, Italy
6. Pediatric and Grown-up Congenital Cardiac Surgery, University of Bologna, S.Orsola-Malpighi Hospital, Bologna, Italy
7. Pediatric Cardiac Surgery Unit, Grande Ospedale Metropolitano Niguarda, Milano, Italy
8. Pediatric Cardiac Surgery, Regina Margherita Children’s Hospital, Torino, Italy
9. Pediatric and Congenital Cardiac Surgical Unit, Department of Cardiac, Thoracic and Vascular Sciences, Padova University Hospital, Padova, Italy
10. Department of Cardiac Surgery, Policlinico Gemelli Hospital, Roma, Italy
11. Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Division of Cardiac Surgery, University of Verona, Verona, Italy