1. Dmitry Rogachev National Medical and Research Center of Pediatric Hematology, Oncology and Immunology Moscow Russia
2. Department of Fundamental Medicine Moscow State University named after M.V. Lomonosov Moscow Russia
3. Regional Children’s Hospital No. 1 Yekaterinburg Russia
4. Research Institute of Medical Cell Technologies Yekaterinburg Russia
5. Russian Children’s Clinical Hospital Moscow Russia
6. Institute of Pharmaceutical Biology, Diagnostic Centre of Acute Leukemia (DCAL) Goethe‐University of Frankfurt Frankfurt/Main Germany