1. National Medical Hematology Research Center
2. RM Gorbacheva Scientific Research Institute of Pediatric Oncology, Hematology and Transplantation
3. IP Pavlov First Saint Petersburg State Medical University
4. Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology
5. NN Blokhin National Medical Cancer Research Center
6. VI Razumovskii Saratov State Medical University
7. Municipal Clinical Hospital No. 40
8. NI Pirogov Russian National Medical Center of Surgery
9. Volgograd Regional Clinical Oncologic Dispensary
10. Leningrad Regional Clinical Hospital