| 1 (599) | Masaryk Memorial Cancer Institute | CZE |  |
| 2 (651) | Tartu University Hospital | EST | |
| 3 (1081) | Institute of Epidemiology and Microbiology of the Russian Academy of Medical Sciences | RUS | |
| 4 (1513) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 5 (1647) | Institute for Clinical and Experimental Medicine | CZE | |
| 6 (1718) | Institute of Experimental Medicine of the NorthWest Branch of the Russian Academy of Medical Sciences | RUS | |
| 7 (1777) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | |
| 8 (1965) | University Hospital Brno | CZE | |
| 9 (2184) | University Hospital Hradec Kralove | CZE | |
| 10 (2265) | International Clinical Research Center | CZE | |
| 11 (2481) | Russian Academy of Medical Sciences * | RUS | |
| 12 (2647) | University Hospital in Olomouc | CZE | |
| 13 (2765) | Institute of Oncology Ljubljana | SVN | |
| 14 (2928) | Ljubljana University Medical Centre | SVN | |
| 15 (2981) | St. Anne's University Hospital Brno * | CZE | |
| 16 (3062) | Burdenko Neurosurgery Institute of the Russian Academy of Medical Sciences | RUS | |
| 17 (3099) | Motol University Hospital | CZE | |
| 18 (3162) | University General Hospital | CZE | |
| 19 (3171) | Children's Memorial Health Institute | POL | |
| 20 (3852) | Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences | RUS | |
| 21 (3955) | University Hospital Centre Zagreb | HRV | |
| 22 (4089) | National Academy of Medical Sciences of Ukraine | UKR | |
| 23 (4100) | Sisters of Charity Hospital, Zagreb | HRV | |
| 24 (4193) | John Paul II Hospital | POL | |
| 25 (4473) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 26 (4478) | Clinical Center of Serbia | SRB | |
| 27 (4742) | Institute of Cardiology | POL | |
| 28 (4881) | Military Medical Academy | SRB | |
| 29 (4918) | Hematological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 30 (5067) | Institute for Medical Research and Occupational Health | HRV | |
| 31 (5083) | University Hospital Vinohrady | CZE | |
| 32 (5752) | Clinical Hospital Centre Rijeka | HRV | |
| 33 (5910) | Scientific Centre of Obstetrics, Gynaecology and Perinatology of the Russian Academy of Medical Sciences | RUS | |
| 34 (6587) | Clinical Hospital Dubrava | HRV | |
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