Rank | Institutions | Count | Centrality |
1 | University of Antwerp | 28 | 0.01 |
2 | Masarvk University | 23 | 0 |
3 | University of Córdoba | 22 | 0.02 |
4 | University of Seville | 21 | 0.01 |
5 | University of Florence | 14 | 0 |
6 | University of the Basque Country | 13 | 0 |
7 | University of Arizona | 12 | 0 |
8 | Ghent University | 12 | 0.01 |
9 | University of Wisconsin System | 11 | 0 |
10 | Perinsylvania State University | 10 | 0 |