1. Department of Cardiology, Erasmus MC , P.O. Box 2040, Rotterdam 3000 CA , The Netherlands
2. Academic Center for Child and Adolescent Psychiatry , Levvel, Meibergdreef 5, 1105 AZ, Amsterdam , The Netherlands
3. Department of Child and Adolescent Psychiatry/Psychology, Erasmus Medical Center-Sophia Children’s Hospital , Wytemaweg 80, Rotterdam , The Netherlands
4. Department of Public Health , Erasmus MC, Dr. Molewaterplein 40, Rotterdam , The Netherlands