1. Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology
2. Perm Region Children’s Clinical Hospital
3. Kemerovo State Medical University
4. Tambov Regional Children’s Hospital
5. Krim Republican Children’s Clinical Hospital
6. Children’s City Clinical Hospital N 9 named after G.N. Speransky
7. Children’s Clinical Multidisciplinary Hospital of the Moscow Region