| 1 (291) | Motol University Hospital | CZE |  |
| 2 (728) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | |
| 3 (2010) | Clinical Center of Serbia | SRB | |
| 4 (2455) | Research Institute of Human Morphology of the Russian Academy of Medical Sciences | RUS | |
| 5 (2549) | University Hospital Hradec Kralove | CZE | |
| 6 (2725) | Russian Academy of Medical Sciences | RUS | |
| 7 (2739) | International Clinical Research Center | CZE | |
| 8 (2945) | St. Anne's University Hospital Brno * | CZE | |
| 9 (2952) | Institute for Medical Research and Occupational Health | HRV | |
| 10 (3016) | Institute of General Pathology and Physiopathology of the Russian Academy of Medical Sciences | RUS | |
| 11 (3152) | University General Hospital | CZE | |
| 12 (3215) | Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences | RUS | |
| 13 (3547) | Polish Mothers Memorial Hospital Research Institute | POL | |
| 14 (3611) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | |
| 15 (4115) | Hematological Scientific Centre of the Russian Academy of Medical Sciences | RUS | |
| 16 (4144) | Ljubljana University Medical Centre | SVN | |
| 17 (4408) | Institute for Clinical and Experimental Medicine | CZE | |
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