1. Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation
2. Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation; Russian Children's Clinical Hospital of the N.I. Pirogov Russian National Research Medical University of Ministry of Healthcare of the Russian Federation