1. Department of Paediatrics, Faculty of Medicine, Lund University, Lund, Sweden
2. Princess Maxima Center for Pediatric Oncology, Utrecht, The Netherlands
3. Department of Epidemiology and Data Science, Amsterdam UMC, Location VU University Medical Center, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
4. Department of Pediatrics, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands