| 1 (681) | University of Plovdiv Paisii Hilendarski | BGR |  | |
| 2 (801) | Medical University - Plovdiv | BGR | | |
| 3 (805) | University Prof. Dr. Assen Zlatarov | BGR | | |
| 4 (848) | Sofia University | BGR | | |
| 5 (857) | Bulgarian Academy of Sciences * | BGR |  | |
| 6 (895) | Medical University of Sofia * | BGR | | |
| 7 (933) | Institute of Organic Chemistry with Centre of Phytochemistry Bulgarian Academy of Sciences | BGR | | |
| 8 (1028) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
