| 1 (3393) | Russian Academy of Medical Sciences | RUS |  |
| 2 (3842) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 3 (4288) | Institute of Cardiology | POL | |
| 4 (4391) | Nofer Institute of Occupational Medicine | POL | |
| 5 (4426) | Children's Memorial Health Institute | POL | |
| 5 (4426) | University General Hospital | CZE | |
| 5 (4426) | University Hospital Centre Zagreb | HRV | |
| 8 (4511) | Motol University Hospital | CZE | |
| 9 (4528) | University Hospital Hradec Kralove | CZE | |
| 10 (4564) | National Institute of Public Health, Czech Republic | CZE | |
| 11 (4579) | Institute for Clinical and Experimental Medicine | CZE | |
| 12 (4595) | Clinical Center of Serbia | SRB | |
| 13 (4599) | Charles University Hospital in Pilsen | CZE | |
| 14 (4675) | Sisters of Charity Hospital, Zagreb | HRV | |
| 15 (4717) | Military Medical Academy | SRB | |
| 16 (4783) | St. Anne's University Hospital Brno | CZE | |
| 17 (4784) | University Hospital Brno | CZE | |
| 18 (4791) | Clinical Hospital Split | HRV | |
| 19 (4795) | Clinical Hospital Dubrava | HRV | |
| 20 (4804) | University Hospital in Olomouc | CZE | |
| 21 (4815) | Clinical Hospital Centre Rijeka | HRV | |
| 22 (4892) | Clinical Center of Vojvodina | SRB | |
|
