| 1 (1463) | Tartu University Hospital | EST |  |
| 2 (1586) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 3 (1678) | Institute of Oncology Ljubljana | SVN | |
| 4 (1992) | Masaryk Memorial Cancer Institute | CZE | |
| 5 (2034) | Russian Academy of Medical Sciences * | RUS | |
| 6 (2504) | International Clinical Research Center | CZE | |
| 7 (2635) | Children's Memorial Health Institute | POL | |
| 8 (2804) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | |
| 9 (2838) | John Paul II Hospital | POL | |
| 10 (2984) | Burdenko Neurosurgery Institute of the Russian Academy of Medical Sciences | RUS | |
| 10 (2984) | Institute of Cardiology | POL | |
| 12 (3084) | Military Medical Academy | SRB | |
| 13 (3144) | Institute of Psychiatry and Neurology | POL | |
| 14 (3270) | Institute for Clinical and Experimental Medicine | CZE | |
| 15 (3333) | St. Anne's University Hospital Brno * | CZE | |
| 16 (3657) | University Hospital Brno | CZE | |
| 17 (3680) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 18 (3762) | University Hospital Hradec Kralove | CZE | |
| 19 (3819) | Ljubljana University Medical Centre | SVN | |
| 20 (3959) | University General Hospital | CZE | |
| 21 (4209) | Clinical Center of Serbia | SRB | |
| 22 (4240) | Motol University Hospital | CZE | |
| 23 (4380) | Endocrinological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 24 (4717) | University Goce Delcev | MKD | |
| 25 (4899) | University Hospital Centre Zagreb | HRV | |
| 26 (4904) | Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences | RUS | |
| 27 (5407) | Academy of Medical Sciences of Ukraine | UKR | |
| 28 (5630) | Clinical Hospital Centre Rijeka | HRV | |
| 29 (5700) | University Hospital Vinohrady | CZE | |
| 30 (5960) | Charles University Hospital in Pilsen | CZE | |
| 31 (6034) | University Hospital in Olomouc | CZE | |
| 32 (6445) | Scientific Centre of Obstetrics, Gynaecology and Perinatology of the Russian Academy of Medical Sciences | RUS | |
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