| 1 (403) | Masaryk Memorial Cancer Institute | CZE |  |
| 2 (1192) | Institute for Clinical and Experimental Medicine | CZE | |
| 3 (1372) | Russian Academy of Medical Sciences | RUS | |
| 4 (1377) | John Paul II Hospital | POL | |
| 5 (1880) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 6 (2718) | University Hospital Centre Zagreb | HRV | |
| 7 (2802) | Clinical Center of Serbia | SRB | |
| 7 (2802) | University General Hospital | CZE | |
| 9 (3062) | Children's Memorial Health Institute | POL | |
| 9 (3062) | Clinical Hospital Centre Rijeka | HRV | |
| 9 (3062) | Institute of Cardiology | POL | |
| 9 (3062) | Military Medical Academy | SRB | |
| 9 (3062) | Motol University Hospital | CZE | |
| 9 (3062) | National Institute of Public Health, Czech Republic | CZE | |
| 9 (3062) | National Institute of Public Health, Poland | POL | |
| 9 (3062) | St. Anne's University Hospital Brno | CZE | |
| 9 (3062) | University Hospital Hradec Kralove | CZE | |
|
