1. Centre for Health Services and Nursing Research, and Department of Public Health and Primary Care, KU Leuven, Belgium
2. Joint first authors
3. Division of Congenital and Structural Cardiology, University Hospitals Leuven, Belgium
4. The Heart Centre, Copenhagen University Hospital, Copenhagen, Denmark
5. Research Foundation, Flanders, Belgium
6. School Psychology and Child and Adolescent Development, KU Leuven, Belgium
7. Paediatric Cardiology, University Hospitals Leuven, Belgium
8. Interuniversity Institute for Biostatistics and Statistical Bioinformatics, KU Leuven, Belgium, and Hasselt University, Belgium