1. Department of Cardiac, Thoracic and Vascular Sciences and Public Health, Paediatric and Congenital Cardiac Surgery UnitUniversity of Padua Padua Italy
2. Department of Statistical SciencesUniversity of Padua Padua Italy
3. Department of Child and Woman's Health, Paediatric Cardiology UnitUniversity of Padua Padua Italy
4. Department of Medicine, Sports and Exercise Medicine DivisionUniversity of Padua Padua Italy