1. Department of Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium
2. Center for Medical Genetics, Department of Paediatrics and Genetics, Ghent University Hospital, Ghent, Belgium
3. Department of Hemato-Oncology, HUDERF, Université Libre de Bruxelles (ULB), Brussels, Belgium
4. Department of Hematology, University Hospital Brussels, Vrije Universiteit Brussel (VUB) Brussels, Belgium
5. Department of Hematology, Children's Hospital, Toulouse, France
6. Department of Hematology, Institut Universitaire de Cancérologie de Toulouse, University Toulouse-III Paul-Sabatier, Toulouse, France
7. Department of Pediatric Hemato-Oncology, University Hospitals Leuven, Belgium
8. Laboratory of Pharmaceutical Biotechnology, Department of Pharmaceutics, Ghent University, Ghent, Belgium