| 1 (498) | University of Ljubljana * | SVN |  |
| 2 (551) | Academy of Sciences of the Czech Republic * | CZE |  |
| 3 (574) | Masaryk University | CZE | |
| 4 (577) | Russian Academy of Sciences * | RUS | |
| 5 (585) | National Institute of Public Health, Czech Republic | CZE |  |
| 6 (723) | University of Belgrade | SRB | |
| 7 (791) | Russian Academy of Medical Sciences | RUS | |
| 8 (835) | Federal Budget Institute of Science Central Research Institute of Epidemiology | RUS |  |
| 9 (840) | Charles University * | CZE | |
| 10 (936) | Russian Medical Academy of Continuous Professional Education | RUS | |
| 11 (943) | I.M. Sechenov First Moscow State Medical University | RUS | |
| 12 (958) | Carol Davila University of Medicine and Pharmacy | ROU | |
| 13 (1052) | I. Mechnikov Research Institute of Vaccines and Sera of the Russian Academy of Medical Sciences | RUS | |
| 14 (1074) | Wroclaw Medical University | POL | |
| 15 (1091) | Pirogov Russian National Research Medical University | RUS | |
| 16 (1092) | Institute of Epidemiology and Microbiology of the Russian Academy of Medical Sciences | RUS | |
| 17 (1093) | Peoples'Friendship University of Russia | RUS | |
| 18 (1095) | Federal Medical Biological Agency * | RUS | |
| 19 (1096) | Moscow State University of Medicine and Dentistry | RUS | |
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