| 1 (1634) | Russian Academy of Medical Sciences | RUS | |
| 2 (2255) | Masaryk Memorial Cancer Institute | CZE | |
| 3 (2382) | Children's Memorial Health Institute | POL | |
| 4 (2386) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 5 (3295) | Tartu University Hospital | EST | |
| 6 (3364) | University Hospital Hradec Kralove | CZE | |
| 7 (3393) | Institute for Clinical and Experimental Medicine | CZE | |
| 8 (3408) | Institute of Oncology Ljubljana | SVN | |
| 9 (3545) | University General Hospital | CZE | |
| 10 (3777) | St. Anne's University Hospital Brno | CZE | |
| 11 (3933) | Motol University Hospital | CZE | |
| 12 (4014) | University Hospital Centre Zagreb | HRV | |
| 13 (4070) | Institute of Cardiology | POL | |
| 14 (4198) | National Institute of Public Health, Czech Republic | CZE | |
| 15 (4414) | Clinical Center of Serbia | SRB | |
| 16 (4688) | Nofer Institute of Occupational Medicine | POL | |
| 17 (4944) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 18 (4946) | Military Medical Academy | SRB | |
| 19 (5206) | Clinical Hospital Centre Rijeka | HRV | |
| 20 (5217) | University Hospital in Olomouc | CZE | |
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