| 1 (520) | Tartu University Hospital | EST |  |
| 2 (563) | Masaryk Memorial Cancer Institute | CZE | |
| 3 (626) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 4 (639) | Russian Academy of Medical Sciences * | RUS | |
| 5 (667) | Institute of Epidemiology and Microbiology of the Russian Academy of Medical Sciences | RUS | |
| 6 (676) | International Clinical Research Center | CZE | |
| 7 (680) | Institute for Clinical and Experimental Medicine | CZE | |
| 8 (685) | Institute of Oncology Ljubljana | SVN | |
| 9 (691) | Children's Memorial Health Institute | POL | |
| 10 (697) | Ljubljana University Medical Centre | SVN | |
| 11 (701) | University Hospital Hradec Kralove | CZE | |
| 12 (707) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | |
| 13 (711) | University Hospital Brno | CZE | |
| 14 (712) | John Paul II Hospital | POL | |
| 15 (715) | Burdenko Neurosurgery Institute of the Russian Academy of Medical Sciences | RUS | |
| 16 (716) | Institute of Cardiology | POL | |
| 17 (719) | St. Anne's University Hospital Brno * | CZE | |
| 18 (720) | Military Medical Academy | SRB | |
| 19 (734) | Clinical Center of Serbia | SRB | |
| 19 (734) | University General Hospital | CZE | |
| 20 (735) | Institute of Experimental Medicine of the NorthWest Branch of the Russian Academy of Medical Sciences | RUS | |
| 20 (735) | Motol University Hospital | CZE | |
| 21 (738) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 22 (740) | University Hospital in Olomouc | CZE | |
| 23 (743) | University Hospital Centre Zagreb | HRV | |
| 24 (765) | Sisters of Charity Hospital, Zagreb | HRV | |
| 25 (773) | Institute for Medical Research and Occupational Health | HRV | |
| 26 (794) | University Hospital Vinohrady | CZE | |
| 27 (795) | Clinical Hospital Centre Rijeka | HRV | |
| 27 (795) | Hematological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 28 (796) | Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences | RUS | |
| 29 (802) | National Academy of Medical Sciences of Ukraine | UKR | |
| 30 (804) | Clinical Hospital Dubrava | HRV | |
| 31 (866) | Scientific Centre of Obstetrics, Gynaecology and Perinatology of the Russian Academy of Medical Sciences | RUS | |
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