1. Pediatric and Adult Congenital Heart Centre, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
2. Department of Cardiology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
3. Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
4. Health Professions Research and Development Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
5. University College of Dublin, School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland
6. Congenital Cardiac Surgery Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
7. Vita Salute San Raffaele University
8. European Reference Network for Rare and Low Prevalence Complex Diseases of the Heart: ERN GUARD-Heart