| 1 (7) | National Institutes of Health | USA |  |
| 2 (21) | Centers for Disease Control and Prevention | USA | |
| 3 (29) | National Institute of Allergy and Infectious Diseases | USA | |
| 4 (36) | U.S. Department of Health & Human Services * | USA | |
| 5 (66) | Mayo Clinic * | USA | |
| 6 (116) | Howard Hughes Medical Institute * | USA | |
| 7 (119) | University of Virginia Health System | USA | |
| 8 (213) | UC San Diego Health System | USA | |
| 9 (257) | Veterans Affairs Medical Centers * | USA | |
| 10 (265) | Massachusetts General Hospital | USA | |
| 11 (274) | Stanford Medicine | USA | |
| 12 (300) | California Department of Public Health | USA | |
| 13 (304) | Brigham and Women's Hospital | USA | |
| 14 (307) | University of Washington Medicine | USA | |
| 15 (312) | Kaiser Permanente, Oakland * | USA | |
| 16 (319) | National Institute of Environmental Health Sciences | USA | |
| 17 (323) | Montefiore Medical Center * | USA | |
| 18 (330) | Children's Hospital Boston * | USA | |
| 19 (335) | Vanderbilt University Medical Center | USA | |
| 20 (338) | University of Texas M.D. Anderson Cancer Center | USA | |
| 21 (340) | Fred Hutchinson Cancer Research Center | USA | |
| 21 (340) | New York State Department of Health * | USA | |
| 23 (345) | Yale University Health & Medicine | USA | |
| 24 (355) | University of Miami Health System | USA | |
| 25 (357) | University of Utah Health Care | USA | |
| 26 (359) | National Cancer Institute | USA | |
| 27 (368) | Hospital for Sick Children | CAN | |
| 28 (376) | Mount Sinai Health System * | USA | |
| 29 (377) | University of Michigan Health System | USA | |
| 30 (383) | University of Wisconsin Health | USA | |
| 31 (389) | McGill University Health Centre | CAN | |
| 32 (390) | Johns Hopkins Medicine | USA | |
| 32 (390) | Duke Medicine | USA | |
| 32 (390) | Columbia University Irving Medical Center | USA | |
| 35 (391) | University of Cincinnati Medical Center | USA | |
| 36 (397) | University of Rochester Medical Center | USA | |
| 37 (406) | Wake Forest University Baptist Medical Center | USA | |
| 38 (408) | Harvard Pilgrim Health Care | USA | |
| 39 (427) | NYU Langone Medical Center | USA | |
| 39 (427) | Health Canada | CAN | |
| 41 (429) | UC Davis Health System | USA | |
| 42 (432) | Boston University Medical Campus | USA | |
| 43 (433) | University of Pennsylvania Health System | USA | |
| 44 (439) | Roswell Park Cancer Institute | USA | |
| 45 (442) | Public Health Ontario | CAN | |
| 46 (444) | Centre Hospitalier Universitaire de Quebec | CAN | |
| 47 (445) | Ohio State University Wexner Medical Center | USA | |
| 48 (446) | Woodruff Health Sciences Center | USA | |
| 49 (447) | Washington University Medical Center | USA | |
| 50 (449) | Cincinnati Children's Hospital Medical Center | USA | |
| 51 (456) | Wadsworth Center | USA | |
| 52 (467) | Arizona Health Sciences Center University of Arizona Tucson | USA | |
| 53 (486) | Seattle Children's Hospital | USA | |
| 54 (487) | Children's Hospital of Philadelphia | USA | |
| 55 (489) | Memorial Sloan-Kettering Cancer Center | USA | |
| 56 (506) | University of Florida Health Science Center | USA | |
| 57 (510) | UCLA Health System | USA | |
| 58 (514) | Minnesota Department of Health | USA | |
| 58 (514) | Beth Israel Deaconess Medical Center | USA | |
| 60 (521) | University of Kansas Medical Center | USA | |
| 61 (528) | CareGroup Healthcare System * | USA | |
| 62 (535) | University of New Mexico Health Sciences Center | USA | |
| 63 (537) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN | |
| 64 (544) | University of Southern California Health Sciences Campus | USA | |
| 65 (548) | Denver Health Medical Center | USA | |
| 66 (553) | Georgetown University Medical Center | USA | |
| 67 (554) | Alberta Health Services | CAN | |
| 68 (555) | University of Louisville Health Sciences Center | USA | |
| 69 (569) | University of Kentucky HealthCare | USA | |
| 70 (585) | West Virginia University Health Sciences Center | USA | |
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