| 1 (1479) | Masaryk Memorial Cancer Institute | CZE |  |
| 2 (1948) | Russian Academy of Medical Sciences | RUS | |
| 3 (2797) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 4 (3848) | Institute for Clinical and Experimental Medicine | CZE | |
| 5 (3876) | Children's Memorial Health Institute | POL | |
| 6 (4077) | University Hospital Centre Zagreb | HRV | |
| 7 (4247) | University General Hospital | CZE | |
| 8 (4336) | Nofer Institute of Occupational Medicine | POL | |
| 9 (4351) | Sisters of Charity Hospital, Zagreb | HRV | |
| 10 (4388) | Institute of Cardiology | POL | |
| 11 (4411) | Military Medical Academy | SRB | |
| 12 (4422) | Motol University Hospital | CZE | |
| 13 (4523) | Clinical Center of Serbia | SRB | |
| 14 (4539) | University Hospital Brno | CZE | |
| 15 (4600) | National Institute of Public Health, Czech Republic | CZE | |
| 16 (4718) | National Institute of Public Health, Poland | POL | |
| 17 (4727) | Clinical Hospital Dubrava | HRV | |
| 18 (4762) | University Hospital Hradec Kralove | CZE | |
| 19 (4810) | St. Anne's University Hospital Brno | CZE | |
| 20 (4900) | Charles University Hospital in Pilsen | CZE | |
| 21 (4910) | University Hospital in Olomouc | CZE | |
| 22 (4992) | Clinical Hospital Split | HRV | |
| 23 (5032) | Clinical Hospital Centre Rijeka | HRV | |
| 24 (5063) | Clinical Center of Vojvodina | SRB | |
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