1. Institute of Cellular Medicine and
2. Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, United Kingdom;
3. Department of Cellular Pathology, Newcastle upon Tyne Hospitals National Health Service Foundation Trust, Newcastle upon Tyne, United Kingdom;
4. Internal Medicine Department, Hôtel-Dieu University Hopital, Nantes, France;
5. Memorial Sloan Kettering Cancer Center, New York, NY;
6. East Midlands Children’s and Young Persons’ Integrated Cancer Service, Leicester Children’s Hospital, Leicester, United Kingdom;
7. Medical Research Council Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom;
8. Rheumatology Department, North Bristol National Health Service Trust, Bristol, United Kingdom;
9. Blackpool Teaching Hospitals National Health Service Foundation Trust, Blackpool, United Kingdom; and
10. Texas Children’s Cancer Center, Baylor College of Medicine, Houston, TX