1. Molecular Oncology, Felsenstein Medical Research Center; Petah Tikva Israel
2. Pediatric Hematology Oncology, Schneider Children's Medical Center of Israel, Petah Tikva; Israel
3. Sackler Faculty of Medicine, Tel Aviv University; Tel Aviv Israel
4. Pediatric Oncology/Hematology, VU University Medical Center; Amsterdam the Netherlands
5. Department of Paediatric Haematology and Oncology; 2nd Faculty of Medicine, Charles University Prague; Czech Republic