1. Peoples’ Friendship University of Russia
2. Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia
3. Peoples’ Friendship University of Russia; Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia
4. Psychological Institute of Russian Academy of Education