| Ranka | Institution | Frequency |
% N = 4416 | Country |
|---|---|---|---|---|
| 1 | Mayo Clinic | 93 | 2.1 | USA |
| 2 | Harvard Medical School | 46 | 1.0 | USA |
| 3 | University of Washington, Seattle | 45 | 1.0 | USA |
| 4 | University of Toronto | 39 | 0.9 | Canada |
| 5 | Universidade de Sao Paulo - USP | 38 | 0.9 | Brazil |
| 6 | Universidad de Granada | 33 | 0.7 | Spain |
| 7 | Massachusetts General Hospital | 31 | 0.7 | USA |
| 8 | Western University | 30 | 0.7 | Canada |
| 9 | Brigham and Women’s Hospital | 29 | 0.7 | USA |
| 9 | University of California, San Francisco | 29 | 0.7 | USA |