| 1 (1743) | Stephan Angeloff Institute of Microbiology Bulgarian Academy of Sciences | BGR | |
| 2 (1916) | Bulgarian Academy of Sciences * | BGR | |
| 3 (2559) | Institute of Biophysics and Biomedical Engineering Bulgarian Academy of Sciences | BGR | |
| 4 (3577) | Technical University of Sofia | BGR | |
| 5 (3753) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | |
| 6 (3762) | Sofia University | BGR | |
| 7 (3776) | University of Chemical Technology and Metallurgy | BGR | |
| 8 (4104) | Medical University - Plovdiv | BGR | |
| 9 (4232) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 10 (4290) | Medical University of Sofia * | BGR | |
| 11 (4485) | University of Plovdiv Paisii Hilendarski | BGR | |
| 12 (4612) | University of Food Technologies, Plovdiv | BGR | |
| 13 (4651) | University Prof. Dr. Assen Zlatarov | BGR | |
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