1. Pediatric Oncology Department King Hussein Cancer Center Amman Jordan
2. Division of Endocrinology, Department of Pediatric Medicine Faculty of Health Sciences, UCT Cape Town South Africa
3. Radiation Oncology Department National Cancer Institute Cairo University and Children's Cancer Hospital Cairo Egypt
4. Department of Neurosurgery Red Cross War Memorial Children's Hospital and University of Cape Town Cape Town South Africa
5. Division of Neurosurgery, Pediatric Oncology Institute/GRAACC Universidade Federal de São Paulo Sao Paulo Brazil
6. Department of Neurology and Neurosurgery, Escola Paulista de Medicina Universidade Federal de São Paulo São Paulo Brazil
7. Department of Pediatrics and Pediatric Hematology/Oncology University Children's Hospital Klinikum Oldenburg AöR Oldenburg Germany
8. Clinical Oncology department National Cancer Institute University of Gezira Wad Madani Sudan
9. Department of Radiation Oncology University of Cape Town and Groote Schuur Hospital Cape Town South Africa
10. Department of Pediatric Hematology and Oncology Aga Khan University Hospital Karachi Pakistan
11. Department of Neurosurgery, Kasr Al‐Ainy School of Medicine Children's Cancer Hospital Egypt, Cairo University Cairo Egypt
12. Ophthalmology division/ Surgery department King Hussein Cancer Center Amman Jordan
13. Radiation Oncology Department Winship Cancer Institute Emory University Atlanta Georgia
14. Department of Pediatric Hematology and Oncology Royal Hospital for Sick Children Melbourne Victoria Australia
15. Radiology Department Aga Khan University Karachi Pakistan
16. Division of Hematology/Oncology Hospital for Sick Children Toronto Canada
17. Department of Pediatric Hematology Oncology and stem cell transplantation King Fahad Specialist Hospital Dammam Saudi Arabia
18. Hematology‐Oncology Service, Red Cross Children's Hospital, Department of Pediatrics and Child Health University of Cape Town Cape Town South Africa
19. Neurosurgery division/Surgery department King Hussein Cancer Center Amman Jordan
20. University of the Philippines‐Philippine General Hospital Manila the Philippines
21. Department of Pediatric Oncology Great North Children's Hospital Newcastle upon Tyne UK