| 1 (1366) | Masaryk Memorial Cancer Institute | CZE |  |
| 2 (1894) | Russian Academy of Medical Sciences | RUS | |
| 3 (3039) | Children's Memorial Health Institute | POL | |
| 4 (3216) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 5 (3909) | University Hospital Centre Zagreb | HRV | |
| 6 (3996) | Institute for Clinical and Experimental Medicine | CZE | |
| 7 (4135) | Nofer Institute of Occupational Medicine | POL | |
| 8 (4339) | National Institute of Public Health, Poland | POL | |
| 9 (4362) | University General Hospital | CZE | |
| 10 (4366) | National Institute of Public Health, Czech Republic | CZE | |
| 11 (4425) | University Hospital Brno | CZE | |
| 12 (4432) | Clinical Center of Serbia | SRB | |
| 13 (4502) | Institute of Cardiology | POL | |
| 14 (4626) | St. Anne's University Hospital Brno | CZE | |
| 15 (4680) | Clinical Hospital Dubrava | HRV | |
| 16 (4731) | Military Medical Academy | SRB | |
| 17 (4826) | Motol University Hospital | CZE | |
| 18 (4913) | University Hospital Hradec Kralove | CZE | |
| 19 (5017) | University Hospital in Olomouc | CZE | |
| 20 (5056) | Clinical Hospital Split | HRV | |
| 21 (5100) | Clinical Hospital Centre Rijeka | HRV | |
| 22 (5127) | Clinical Center of Vojvodina | SRB | |
|
