| 1 (6) | Russian Academy of Sciences * | RUS |  |
| 2 (16) | University of Ljubljana * | SVN |  |
| 3 (30) | Saint Petersburg State University | RUS | |
| 4 (36) | State University - Higher School of Economics | RUS | |
| 5 (39) | Universitatea Lucian Blaga din Sibiu | ROU | |
| 6 (41) | University of Warsaw | POL | |
| 7 (45) | Babes-Bolyai University | ROU | |
| 8 (64) | University of Tartu | EST | |
| 9 (73) | Adam Mickiewicz University | POL | |
| 10 (79) | Tomsk State University | RUS | |
| 11 (118) | Jagiellonian University | POL | |
| 12 (139) | Lomonosov Moscow State University | RUS | |
| 13 (147) | Ural Federal University | RUS | |
| 14 (156) | Charles University * | CZE | |
| 15 (179) | Petrozavodsk State University | RUS | |
| 16 (236) | Academy of Sciences of the Czech Republic * | CZE | |
| 17 (241) | University of Lodz | POL | |
| 18 (248) | University of St Cyril and Methodius in Trnava | SVK | |
| 19 (251) | West University of Timisoara | ROU | |
| 20 (253) | University of Wroclaw | POL | |
| 21 (257) | Tallinn University | EST | |
| 22 (261) | Polish Academy of Sciences * | POL | |
| 23 (262) | Masaryk University | CZE | |
| 24 (269) | Maria Curie Sklodowska University | POL | |
| 25 (298) | Novosibirsk State University | RUS | |
| 26 (308) | Vilnius University | LTU | |
| 27 (313) | University of Silesia in Katowice | POL | |
| 28 (315) | University of Zagreb | HRV | |
| 29 (322) | University of Bucharest | ROU | |
| 30 (334) | Slovak Academy of Sciences * | SVK | |
| 31 (343) | Eotvos Lorand University | HUN | |
| 32 (346) | Constantine the Philosopher University in Nitra | SVK | |
| 33 (351) | John Paul II Catholic University of Lublin | POL | |
| 34 (354) | Russian State University for the Humanities | RUS | |
| 35 (372) | Immanuel Kant Baltic Federal University | RUS | |
| 36 (375) | University of Szeged | HUN | |
| 37 (378) | Palacky University | CZE | |
| 38 (379) | University of Gdansk | POL | |
| 39 (396) | University of Montenegro | MNE | |
| 40 (399) | Institute of Archaeology and Ethnography Russian Academy of Sciences | RUS | |
| 41 (404) | Nicolaus Copernicus University | POL | |
| 42 (415) | The Russian Presidential Academy of National Economy and Public Administration | RUS | |
| 43 (417) | University of Presov in Presov | SVK | |
| 44 (421) | South West University Neofit Rilski | BGR | |
| 45 (425) | Sofia University | BGR | |
| 46 (434) | University of Belgrade | SRB | |
| 47 (437) | University of Bialystok | POL | |
| 48 (448) | Pedagogical University of Cracow | POL | |
| 49 (453) | Bulgarian Academy of Sciences * | BGR | |
| 50 (458) | Pavol Jozef Safarik University in Kosice | SVK | |
| 51 (459) | University of Rzeszow | POL | |
| 52 (461) | Herzen State Pedagogical University of Russia | RUS | |
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