1. Department of Paediatrics, University Hospitals Leuven, Leuven, Belgium
2. Department of Development and Regeneration, KU Leuven, Leuven, Belgium
3. University Hospitals Leuven, Pediatric Hemato-Oncology, Leuven, Belgium
4. Department Oncology, Pediatric Oncology, KU Leuven, Leuven, Belgium
5. Leiden University Medical Center, C.J. Gorter MRI Center, Radiology, Leiden, Netherlands