| 1 (1768) | Bulgarian Academy of Sciences * | BGR |  |
| 2 (2602) | Institute of Biophysics and Biomedical Engineering Bulgarian Academy of Sciences | BGR | |
| 3 (3109) | Sofia University | BGR |  |
| 4 (3158) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
| 5 (3241) | University of Plovdiv Paisii Hilendarski | BGR | |
| 6 (3253) | Institute of Information and Communication Technologies Bulgarian Academy of Sciences | BGR | |
| 7 (3617) | Technical University of Sofia | BGR | |
| 8 (3638) | University of Rousse | BGR | |
| 9 (3726) | University Prof. Dr. Assen Zlatarov | BGR | |
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