| 1 (581) | Masaryk Memorial Cancer Institute | CZE |  |
| 2 (1153) | Russian Academy of Medical Sciences | RUS | |
| 3 (1556) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 4 (2195) | Institute for Clinical and Experimental Medicine | CZE | |
| 5 (2419) | Children's Memorial Health Institute | POL | |
| 6 (2514) | University Hospital Centre Zagreb | HRV | |
| 7 (2522) | Sisters of Charity Hospital, Zagreb | HRV | |
| 8 (2559) | Military Medical Academy | SRB | |
| 9 (2673) | University Hospital Brno | CZE | |
| 10 (3108) | Nofer Institute of Occupational Medicine | POL | |
| 11 (3125) | Motol University Hospital | CZE | |
| 12 (3190) | University General Hospital | CZE | |
| 13 (3192) | Clinical Hospital Dubrava | HRV | |
| 14 (3312) | Clinical Center of Serbia | SRB | |
| 15 (3479) | Institute of Cardiology | POL | |
| 16 (3498) | National Institute of Public Health, Poland | POL | |
| 17 (3580) | University Hospital in Olomouc | CZE | |
| 18 (3837) | National Institute of Public Health, Czech Republic | CZE | |
| 19 (4093) | St. Anne's University Hospital Brno | CZE | |
| 19 (4093) | University Hospital Hradec Kralove | CZE | |
| 21 (4342) | Charles University Hospital in Pilsen | CZE | |
| 21 (4342) | Clinical Center of Vojvodina | SRB | |
| 21 (4342) | Clinical Hospital Centre Rijeka | HRV | |
| 21 (4342) | Clinical Hospital Split | HRV | |
|
