1. Dmitry Rogachev National Medical Research Center of Pediatric Hematology; Oncology and Immunology; Moscow Russian Federation
2. Research Institute of Medical Cell Technologies; Yekaterinburg Russian Federation
3. PET-Technology Center of Nuclear Medicine; Yekaterinburg Russian Federation
4. Regional Children's Hospital N1; Yekaterinburg Russian Federation
5. Department of Immunochemistry; Ural Federal University named after the First President of Russia B.N. Yeltsin; Yekaterinburg Russian Federation
6. Department of Pediatric Oncology; Emma Children's Hospital (EKZ/AMC); Amsterdam The Netherlands
7. Princess Máxima Centre for Pediatric Oncology (PMC); Utrecht The Netherlands