| 1 (3) | U.S. Department of Health & Human Services * | USA |  |
| 2 (16) | Centers for Disease Control and Prevention | USA | |
| 3 (36) | National Institutes of Health | USA | |
| 4 (83) | National Institute of Allergy and Infectious Diseases | USA | |
| 5 (110) | University of Florida Health Science Center | USA | |
| 6 (122) | Ohio State University Wexner Medical Center | USA | |
| 7 (137) | Mount Sinai Health System * | USA | |
| 8 (148) | Fred Hutchinson Cancer Research Center * | USA | |
| 9 (197) | Wake Forest University Baptist Medical Center | USA | |
| 10 (220) | Woodruff Health Sciences Center | USA | |
| 11 (245) | Mayo Clinic * | USA | |
| 12 (273) | Massachusetts General Hospital | USA | |
| 13 (280) | New York State Department of Health * | USA | |
| 14 (335) | UCLA Health System | USA | |
| 15 (344) | Arizona Health Sciences Center University of Arizona Tucson | USA | |
| 16 (345) | Veterans Affairs Medical Centers * | USA | |
| 17 (362) | University of Pennsylvania Health System | USA | |
| 18 (393) | Kaiser Permanente, Oakland * | USA | |
| 19 (405) | Stanford Medicine | USA | |
| 20 (411) | UC Davis Health System | USA | |
| 21 (431) | Yale University Health & Medicine | USA | |
| 22 (493) | University of Washington Medicine | USA | |
| 23 (504) | Johns Hopkins Medicine | USA | |
| 24 (641) | University of Michigan Health System | USA | |
| 25 (645) | Public Health Agency of Canada | CAN | |
| 26 (658) | Vanderbilt University Medical Center | USA | |
| 27 (664) | Montefiore Medical Center * | USA | |
| 28 (711) | Duke Medicine | USA | |
| 29 (831) | University of Wisconsin Health | USA | |
| 30 (845) | McGill University Health Centre | CAN | |
| 31 (873) | Public Health Ontario | CAN | |
| 32 (940) | University of Texas M.D. Anderson Cancer Center | USA | |
| 33 (987) | Texas Biomedical Research Institute | USA | |
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