1. Department of Immunology; Erasmus MC; University Medical Centre Rotterdam; Rotterdam The Netherlands
2. Dutch Childhood Oncology Group; The Hague The Netherlands
3. Women's and Children's Hospital; Adelaide South Australia Australia
4. Molecular Oncology, Felsenstein Medical Research Centre; Paediatric Haematology Oncology; Tel Aviv University; Schneider Children's Medical Centre of Israel; Petah Tikva Israel
5. Department of Paediatrics; Division of Haematology-Oncology; Yong Loo Lin School of Medicine; National University Health System; National University of Singapore; Singapore Singapore
6. Department of Bioinformatics; Erasmus MC; University Medical Centre Rotterdam; Rotterdam The Netherlands
7. Department of Paediatric Oncology/Haematology; Charité Universitätsmedizin Berlin; Berlin Germany
8. Princess Máxima Centre for Paediatric Oncology; Utrecht The Netherlands