| 1 (5) | U.S. Department of Health & Human Services * | USA |  |
| 2 (20) | Centers for Disease Control and Prevention | USA | |
| 3 (29) | National Institutes of Health | USA | |
| 4 (74) | University of Florida Health Science Center | USA | |
| 5 (102) | Ohio State University Wexner Medical Center | USA | |
| 6 (203) | UC Davis Health System | USA | |
| 7 (246) | New York State Department of Health * | USA | |
| 8 (252) | Veterans Affairs Medical Centers * | USA | |
| 9 (270) | Massachusetts General Hospital | USA | |
| 10 (297) | Mount Sinai Health System * | USA | |
| 11 (299) | Woodruff Health Sciences Center | USA | |
| 12 (308) | National Institute of Allergy and Infectious Diseases | USA | |
| 13 (347) | Mayo Clinic * | USA | |
| 14 (362) | Arizona Health Sciences Center University of Arizona Tucson | USA | |
| 15 (387) | Wake Forest University Baptist Medical Center | USA | |
| 16 (426) | Vanderbilt University Medical Center | USA | |
| 17 (444) | Stanford Medicine | USA | |
| 18 (469) | Kaiser Permanente, Oakland * | USA | |
| 19 (481) | Yale University Health & Medicine | USA | |
| 20 (501) | University of Pennsylvania Health System | USA | |
| 21 (535) | Public Health Agency of Canada | CAN | |
| 22 (549) | Fred Hutchinson Cancer Research Center | USA | |
| 23 (555) | Johns Hopkins Medicine | USA | |
| 24 (580) | University of Wisconsin Health | USA | |
| 25 (601) | Duke Medicine | USA | |
| 26 (625) | McGill University Health Centre | CAN | |
| 27 (644) | Montefiore Medical Center * | USA | |
| 28 (680) | University of Michigan Health System | USA | |
| 29 (730) | University of Washington Medicine | USA | |
| 30 (750) | UCLA Health System | USA | |
| 31 (875) | Public Health Ontario | CAN | |
| 32 (927) | Texas Biomedical Research Institute | USA | |
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