1. Institut Gustave Roussy, Paris, France
2. University Hospital of Essen, Essen, Germany
3. Erasmus MC-Sophia Children's Hospital, Rotterdam, Netherlands
4. Fond. IRCCS Istituto Nazionale dei Tumori, Milan, Italy
5. University of Cologne, Cologne, Germany
6. Hospital Infantil Universitario Niño Jesús, Madrid, Spain
7. Sydney Children's Hospital, Randwick, Australia
8. Institut Curie, Paris, France
9. Department of Pediatric Hematology and Oncology, Seoul National University Children's Hospital, Seoul, South Korea
10. St. Jude Children's Research Hospital, Memphis, TN
11. Texas Children's Hospital, Houston, TX
12. Cincinnati Children's Hosp Med Ctr, Cincinnati, OH
13. Novartis Institutes for Biomedical Research Inc, Cambridge, MA
14. Novartis Pharma, East Hanover, NJ
15. Novartis Inst for BioMedcl Rsrch, Cambridge, MA
16. The Institute of Cancer Research, London, United Kingdom