1. Department of Hematology Amsterdam UMC Vrije Universiteit Amsterdam Cancer Center Amsterdam Amsterdam the Netherlands
2. Institute of Immunology and Immunotherapy Department of Clinical Immunology University of Birmingham Birmingham United Kingdom
3. Medical Research Council Molecular Hematology Unit Oxford Centre for Hematology Oxford BRC University of Oxford and Oxford University Hospitals National Health Service Trust Oxford United Kingdom
4. Department of Biomedicine and Prevention University of Rome Tor Vergata Rome Italy
5. Division of Hematology and Oncology Department of Medicine Weill Cornell Medical College New York NY USA
6. Dutch Childhood Oncology Group Utrecht the Netherlands
7. Department of Immunology Laboratory Medical Immunology Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
8. Department of Clinical Chemistry Medisch Spectrum Twente/Medlon Enschede the Netherlands
9. Department of Internal Medicine III University Hospital Ulm Ulm Germany