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Top 5 of funds.
| No. | Frequency | Centrality | Fund |
| 1 | 217 | 0.45 | National Natural Science Foundation of China |
| 2 | 27 | 0.11 | NIH (USA National Institutes of health) |
| 3 | 24 | 0.01 | Taiwan Ministry of Health and Welfare Clinical Trial and Research Center of Excellence |
| 4 | 15 | 0.01 | WORLD JOURNAL OF Health Research Council of New Zealand |
| 5 | 12 | 0.01 | NRPB Stroke Clinical Trial Consortium |
