1. Department of Paediatric Cardiology, Consorci Sanitari del Maresme, Hospital de Mataró, Barcelona, Spain
2. Department of Radiology, Hospital Sant Joan de Déu, Barcelona, Spain
3. Department of Radiology, Hospital del Mar, Barcelona, Spain
4. Department of Paediatric Cardiology Surgery, Hospital Sant Joan de Déu, Barcelona, Spain
5. Department of Paediatric Cardiology, Hospital Sant Joan de Déu, Barcelona, Spain
6. Department of Paediatric Cardiology, Hospital Universitari Joan XXIII, Universitat Rovira i Virgili, Tarragona, Spain