^○Alireza Raissadati (Helsinki University Central Hospital)

^○Jody Brokelman¹, Ploegstra M.¹, Roos-Hesselink J.W.², Douwes J.M.¹, Van Osch-Gevers L.M.³, Hoendermis E.S.⁴, Van den Bosch A.E.², Witsenburg M.², Bartelds B.¹, Hillege H.L.⁵, Berger R.M.F.¹ (1.Department of Pediatric Cardiology, Center for Congenital Heart Diseases, Beatrix Children’s Hospital, University Medical Center Groningen, Groningen, The Netherlands, 2.Department of Cardiology, Erasmus University Medical Center, Rotterdam, The Netherlands, 3.Department of Pediatric Cardiology, Sophia Children’s Hospital, Erasmus University Medical Center, Rotterdam, The Netherlands, 4.Department of Cardiology, Center for Congenital Heart Diseases, University Medical Center Groningen, Groningen, The Netherlands, 5.Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands)

^○Srinivas Ananth Narayen (Kings College London)