| 1 (1133) | National Institute of Public Health, Czech Republic | CZE |  |
| 2 (1462) | National Institute of Public Health, Poland | POL | |
| 3 (2005) | Children's Memorial Health Institute | POL | |
| 3 (2005) | Motol University Hospital | CZE | |
| 5 (2984) | Clinical Center of Serbia | SRB | |
| 5 (2984) | Clinical Hospital Centre Rijeka | HRV | |
| 5 (2984) | Institute for Clinical and Experimental Medicine | CZE | |
| 5 (2984) | Institute of Cardiology | POL | |
| 5 (2984) | John Paul II Hospital | POL | |
| 5 (2984) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 5 (2984) | Masaryk Memorial Cancer Institute | CZE | |
| 5 (2984) | Military Medical Academy | SRB | |
| 5 (2984) | Russian Academy of Medical Sciences | RUS | |
| 5 (2984) | St. Anne's University Hospital Brno | CZE | |
| 5 (2984) | University General Hospital | CZE | |
| 5 (2984) | University Hospital Centre Zagreb | HRV | |
| 5 (2984) | University Hospital Hradec Kralove | CZE | |
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