| 1 (1862) | International Clinical Research Center | CZE |  |  |
| 2 (2086) | Tartu University Hospital | EST | | |
| 3 (2417) | Maria Sklodowska-Curie Memorial Institute of Oncology | POL | | |
| 4 (2500) | Institute of Epidemiology and Microbiology of the Russian Academy of Medical Sciences | RUS | | |
| 5 (2540) | Russian Academy of Medical Sciences | RUS | | |
| 6 (3109) | University Hospital Brno | CZE | | |
| 7 (3303) | St. Anne's University Hospital Brno * | CZE | | |
| 7 (3303) | Masaryk Memorial Cancer Institute | CZE | | |
| 9 (3323) | Motol University Hospital | CZE | |  |
| 10 (3522) | Polish Mothers Memorial Hospital Research Institute | POL | | |
| 11 (3642) | Institute of Oncology Ljubljana | SVN | | |
| 12 (3673) | Ljubljana University Medical Centre | SVN | | |
| 13 (3692) | Children's Memorial Health Institute | POL | | |
| 14 (3694) | University General Hospital | CZE | | |
| 15 (4060) | Institute of Cardiology | POL | | |
| 16 (4104) | National Institute of Mental Health | CZE | | |
| 17 (4404) | Institute of General Pathology and Physiopathology of the Russian Academy of Medical Sciences | RUS | | |
| 18 (4748) | N.N. Blokhin Cancer Research Center of the Russian Academy of Medical Sciences | RUS | | |
| 19 (4806) | Institute for Clinical and Experimental Medicine | CZE | | |
| 20 (4870) | University Hospital Hradec Kralove | CZE | | |
| 21 (4948) | John Paul II Hospital | POL | | |
| 22 (5209) | Institute for Medical Research and Occupational Health | HRV | | |
| 23 (5224) | Institute of Psychiatry and Neurology | POL | | |
| 24 (5297) | Clinical Center of Serbia | SRB | | |
| 25 (5337) | University Hospital Vinohrady | CZE | | |
| 26 (5345) | University Hospital Centre Zagreb | HRV | | |
| 27 (5382) | National Institute of Public Health, Czech Republic | CZE | |  |
| 28 (5630) | VA Nasonova Scientific Research Institute of Rheumatology of the Russian Academy of Medical Sciences | RUS | | |
| 29 (5794) | Clinical Hospital Merkur | HRV | | |
| 30 (5810) | Clinical Hospital Center Split | HRV | | |
| 31 (5856) | Institute of Biomedical Chemistry of the Russian Academy of Medical Sciences | RUS | | |
| 32 (5938) | University Hospital in Olomouc | CZE | | |
| 33 (5958) | Medical University Hospital Alexandrovska | BGR | | |
| 34 (6052) | Endocrinological Scientific Centre of the Russian Academy of Medical Sciences | RUS | | |
| 35 (6122) | Medical Radiological Scientific Centre of the Russian Academy of Medical Sciences | RUS | | |
| 36 (6164) | Hematological Scientific Centre of the Russian Academy of Medical Sciences | RUS | | |
| 37 (6269) | I. Mechnikov Research Institute of Vaccines and Sera of the Russian Academy of Medical Sciences | RUS | | |
| 37 (6269) | Military Medical Academy | SRB | | |
| 39 (6340) | Almazov National Medical Research Centre | RUS | | |
| 40 (6374) | Research Centre for Medical Genetics | RUS | | |
| 41 (6634) | Research Institute of Human Morphology of the Russian Academy of Medical Sciences | RUS | | |
| 42 (6644) | Sisters of Charity Hospital, Zagreb | HRV | | |
| 43 (6659) | Tomsk National Research Medical Center of the Russian Academy of Sciences | RUS | | |
| 44 (6772) | National Academy of Medical Sciences of Ukraine | UKR | | |
| 45 (6788) | Clinical Hospital Centre Rijeka | HRV | | |
| 46 (6904) | Research Institute of Complex Problems of Cardiovascular Disease Russian Academy of Medical Sciences | RUS | | |
| 47 (6949) | Clinical Hospital Dubrava | HRV | | |
| 48 (7686) | Clinical Center of Vojvodina | SRB | |  |
| 49 (8035) | Clinical Hospital Sveti Duh | HRV | | |
| 50 (8075) | Research Center of Neurology | RUS | | |
| 51 (8215) | Mental Health Research Centre of the Russian Academy of Medical Sciences | RUS | | |
| 52 (8248) | Institute of Experimental Medicine of the NorthWest Branch of the Russian Academy of Medical Sciences | RUS | | |
| 53 (8262) | Scientific Centre of Obstetrics, Gynaecology and Perinatology of the Russian Academy of Medical Sciences | RUS | | |
| 54 (8275) | Burdenko Neurosurgery Institute of the Russian Academy of Medical Sciences | RUS | | |
| 55 (8429) | B.V. Petrovsky Russian Research Centre of Surgery | RUS | | |
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