| 1 (404) | Russian Academy of Medical Sciences | RUS |  |
| 2 (507) | Ministry of Health of the Russian Federation | RUS | |
| 3 (586) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 4 (830) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | |
| 5 (901) | Motol University Hospital | CZE | |
| 6 (1118) | University General Hospital | CZE | |
| 7 (1119) | University Hospital Hradec Kralove | CZE | |
| 8 (1342) | Hematological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 9 (1479) | Institute of Oncology Ljubljana | SVN | |
| 10 (1517) | University Hospital Brno | CZE | |
| 11 (1550) | Masaryk Memorial Cancer Institute | CZE | |
| 12 (1553) | University Hospital in Olomouc | CZE | |
| 13 (1649) | Federal Medical Biological Agency * | RUS | |
| 14 (1691) | University Hospital Vinohrady | CZE | |
| 15 (1696) | Almazov National Medical Research Centre | RUS | |
| 16 (1699) | Ljubljana University Medical Centre | SVN | |
| 17 (1858) | Medical Radiological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 18 (2019) | Institute of Hematology and Blood Transfusion | POL | |
| 19 (2138) | Tomsk National Research Medical Center of the Russian Academy of Sciences | RUS | |
| 20 (2247) | Sisters of Charity Hospital, Zagreb | HRV | |
| 21 (2290) | Russian Medical Academy of Continuous Professional Education | RUS | |
| 22 (2313) | Clinical Center of Serbia | SRB | |
| 23 (2331) | Clinical Hospital Dubrava | HRV | |
| 24 (2387) | University Hospital Centre Zagreb | HRV | |
| 25 (2396) | St. Anne's University Hospital Brno * | CZE | |
| 26 (2455) | Burdenko Neurosurgery Institute of the Russian Academy of Medical Sciences | RUS | |
| 27 (2456) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 28 (2485) | International Clinical Research Center | CZE | |
| 29 (2528) | Clinical Hospital Centre Rijeka | HRV | |
| 30 (2573) | National Academy of Medical Sciences of Ukraine | UKR | |
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