1 Diabeter, Center for Pediatric and Adolescent Diabetes Care and Research, Rotterdam, the Netherlands Department of Pediatric Endocrinology, Sophia Children's Hospital, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands Department of Pediatrics, Sint Franciscus Gasthuis, Rotterdam, the Netherlands j.vanderheyden@sfg.nl.
2 Institute of Health Policy & Management, Erasmus University Rotterdam, Rotterdam, the Netherlands.
3 Diabeter, Center for Pediatric and Adolescent Diabetes Care and Research, Rotterdam, the Netherlands.
4 Department of Clinical Neurophysiology, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands.