TABLE 2.
The top 10 most-productive affiliations and countries/regions.
| Rank | Affiliations | Count | % of 2,786 | Regions | Count | % of 2,786 |
| 1 | University of London (England) | 66 | 2.37% | United States | 737 | 26.46% |
| 2 | University of Nebraska System (United States) | 49 | 1.76% | China | 594 | 21.33% |
| 3 | Harvard University (United States) | 46 | 1.65% | Australia | 261 | 9.37% |
| 4 | University of Nebraska Lincoln (United States) | 44 | 1.58% | England | 222 | 7.97% |
| 5 | University of California System (United States) | 42 | 1.51% | Canada | 124 | 4.45% |
| 6 | University of North Carolina (United States) | 38 | 1.36% | South Korea | 113 | 4.06% |
| 7 | University of Texas System (United States) | 38 | 1.36% | Spain | 99 | 3.56% |
| 8 | Monash University (Australia) | 33 | 1.19% | Germany | 94 | 3.38% |
| 9 | China Medical University (China) | 32 | 1.15% | China-Taiwan | 87 | 3.12% |
| 10 | Australian National University (China) | 29 | 1.04% | Netherlands | 75 | 2.69% |