1. University College London Great Ormond Street Institute of Child Health London, United Kingdom
2. University of California, Santa Cruz USA
3. Children's Hospital of Philadelphia, Philadelphia USA
4. The Hospital for Sick Children, Toronto Canada
5. Red Cross War Memorial Children's Hospital, University of Cape Town South Africa
6. Boston Children's Hospital, Boston USA
7. King Faisal Specialist Hospital and Research Center
8. Bombay Hospital Institute of Medical Sciences SRCC Children's Hospital, Mumbai India
9. Children's Cancer Centre, Royal Children's Hospital, Melbourne Australia
10. Children Hospital of Rabat Morocco
11. Hospital Pereira Rossell, Fundacion Perez Scremini, Montevideo Uruguay
12. Cancer Research UK Clinical Trials Unit, Institute of Cancer and Genomic Sciences, University of Birmingham United Kingdom
13. Dana Farber Cancer Institute, Boston USA
14. Executive Director, International Society of Paediatric Oncology, Meierskappel Switzerland
15. Executive Director for Programmes and Strategy, International Society of Paediatric Oncology, Meierskappel Switzerland