| 1 (2841) | Russian Academy of Medical Sciences | RUS |  |
| 2 (3736) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 3 (4183) | Children's Memorial Health Institute | POL | |
| 4 (4298) | Masaryk Memorial Cancer Institute | CZE | |
| 5 (4415) | Nofer Institute of Occupational Medicine | POL | |
| 6 (4462) | University General Hospital | CZE | |
| 7 (4573) | Clinical Center of Serbia | SRB | |
| 8 (4626) | National Institute of Public Health, Czech Republic | CZE | |
| 9 (4647) | Institute of Cardiology | POL | |
| 10 (4673) | Institute for Clinical and Experimental Medicine | CZE | |
| 11 (4677) | Motol University Hospital | CZE | |
| 12 (4745) | University Hospital Centre Zagreb | HRV | |
| 13 (4757) | National Institute of Public Health, Poland | POL | |
| 14 (4769) | St. Anne's University Hospital Brno | CZE | |
| 15 (4795) | University Hospital Hradec Kralove | CZE | |
| 16 (4962) | Military Medical Academy | SRB | |
| 17 (4969) | Clinical Hospital Dubrava | HRV | |
| 18 (5020) | Clinical Hospital Split | HRV | |
| 19 (5044) | University Hospital Brno | CZE | |
| 20 (5087) | Clinical Hospital Centre Rijeka | HRV | |
| 21 (5107) | University Hospital in Olomouc | CZE | |
| 22 (5126) | Clinical Center of Vojvodina | SRB | |
|
