| 1 (3191) | National Institute of Public Health, Czech Republic | CZE |  |
| 2 (4141) | Motol University Hospital | CZE | |
| 3 (4209) | Children's Memorial Health Institute | POL | |
| 4 (4295) | University Hospital in Olomouc | CZE | |
| 5 (4376) | Tartu University Hospital | EST | |
| 5 (4376) | University Hospital Brno | CZE | |
| 7 (4454) | University General Hospital | CZE | |
| 8 (4516) | University Hospital Hradec Kralove | CZE | |
| 9 (4624) | Institute for Clinical and Experimental Medicine | CZE | |
| 9 (4624) | University Hospital Vinohrady | CZE | |
| 11 (4705) | Charles University Hospital in Pilsen | CZE | |
| 12 (4782) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 12 (4782) | Institute of Oncology Ljubljana | SVN | |
| 12 (4782) | Masaryk Memorial Cancer Institute | CZE | |
| 15 (4860) | St. Anne's University Hospital Brno | CZE | |
| 16 (4940) | John Paul II Hospital | POL | |
| 16 (4940) | University Hospital Centre Zagreb | HRV | |
| 16 (4940) | Military Medical Academy | SRB | |
| 16 (4940) | Institute of Cardiology | POL | |
| 20 (5032) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 21 (5108) | Clinical Center of Serbia | SRB | |
| 22 (5366) | Russian Academy of Medical Sciences | RUS | |
| 22 (5366) | Clinical Hospital Centre Rijeka | HRV | |
|
