1. Regional Children’s Hospital Ekaterinburg Russian Federation
2. Research Institute of Medical Cell Technologies Ekaterinburg Russian Federation
3. Ural State Medical University Ekaterinburg Russian Federation
4. National Research and Clinical Center for Pediatric Hematology Oncology and Immunology Moscow Russian Federation
5. The Sharett Institute of Oncology Hadassah Medical Center Jerusalem Israel
6. PET‐Technology Center of Nuclear Medicine Ekaterinburg Russian Federation
7. Belarussian Research Center for Pediatric Oncology, Hematology and Immunology Minsk Belarus
8. City Children’s Hospital, 1 Saint‐Petersburg Russian Federation
9. Morozov Children’s Hospital Moscow Russian Federation
10. Republican Children’s Hospital Moscow Russian Federation