| 1 (2375) | Russian Academy of Medical Sciences | RUS |  |
| 2 (3628) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 3 (4157) | Children's Memorial Health Institute | POL | |
| 4 (4272) | University General Hospital | CZE | |
| 5 (4400) | Clinical Center of Serbia | SRB | |
| 6 (4436) | Masaryk Memorial Cancer Institute | CZE | |
| 7 (4504) | St. Anne's University Hospital Brno | CZE | |
| 8 (4527) | Motol University Hospital | CZE | |
| 9 (4549) | Institute for Clinical and Experimental Medicine | CZE | |
| 10 (4572) | Institute of Cardiology | POL | |
| 10 (4572) | John Paul II Hospital | POL | |
| 12 (4638) | University Hospital Hradec Kralove | CZE | |
| 13 (4650) | National Institute of Public Health, Poland | POL | |
| 14 (4823) | University Hospital Centre Zagreb | HRV | |
| 15 (4836) | National Institute of Public Health, Czech Republic | CZE | |
| 16 (4953) | Military Medical Academy | SRB | |
| 17 (5079) | Clinical Hospital Centre Rijeka | HRV | |
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