| 500 (813) | VA Boston Healthcare System | USA |  |
| 502 (814) | Oberlin College | USA |  |
| 503 (815) | Kaiser Permanente Research, Washington | USA | |
| 503 (815) | Seton Hall University | USA | |
| 505 (816) | U.S. Air Force | USA |  |
| 505 (816) | Detroit Medical Center | USA | |
| 507 (818) | New York Presbyterian Hospital | USA | |
| 508 (821) | Southern Illinois University, Carbondale * | USA | |
| 508 (821) | Wadsworth Center | USA | |
| 508 (821) | Battelle Memorial Institute * | USA |  |
| 511 (822) | Harvard Pilgrim Health Care | USA | |
| 512 (823) | Cleveland State University | USA | |
| 513 (824) | University of Alberta Hospital | CAN | |
| 514 (827) | Wright State University | USA | |
| 514 (827) | Mercer University | USA | |
| 516 (839) | Centre Hospitalier Universitaire Sainte-Justine | CAN | |
| 517 (840) | Bruyere Research Institute | CAN | |
| 518 (842) | Henry M Jackson Foundation for the Advancement of Military Medicine | USA | |
| 519 (844) | London Health Sciences Centre | CAN | |
| 520 (845) | Universite du Quebec en Montreal | CAN | |
| 521 (847) | University of Minnesota, Duluth | USA | |
| 522 (854) | Durham VA Medical Center | USA | |
| 523 (855) | University of Northern Colorado * | USA | |
| 524 (860) | Providence Health Care | CAN | |
| 525 (863) | Institute for Clinical Evaluative Sciences | CAN | |
| 526 (867) | Pharmaceutical Product Development LLC | USA |  |
| 527 (868) | Johnson & Johnson, United States | USA | |
| 527 (868) | Butler University | USA | |
| 529 (870) | Douglas Mental Health University Institute | CAN | |
| 530 (871) | Carleton University | CAN | |
| 531 (879) | Howard University * | USA | |
| 532 (881) | Albany Medical College | USA | |
| 533 (882) | University of Alabama, Huntsville | USA | |
| 534 (888) | Long Island University | USA | |
| 535 (889) | Research Institute for Fragrance Materials | USA | |
| 536 (893) | Hofstra University * | USA | |
| 537 (897) | Albany Medical Center * | USA | |
| 538 (901) | Boise State University | USA | |
| 539 (904) | Sam Houston State University | USA | |
| 540 (908) | Colorado School of Public Health | USA | |
| 541 (910) | MedStar Health * | USA | |
| 542 (911) | Corteva, USA | USA | |
| 543 (928) | Western New England University | USA | |
| 544 (930) | Vancouver Coastal Health | CAN | |
| 545 (939) | Howard University Health Sciences | USA | |
| 546 (940) | Laurentian University | CAN | |
| 546 (940) | Washington Hospital Center | USA | |
| 548 (943) | Texas Christian University | USA | |
| 549 (944) | Illinois State University | USA | |
| 550 (951) | Southern Illinois University Edwardsville | USA | |
| 551 (956) | Bowling Green State University | USA | |
| 552 (962) | Yale New Haven Health System | USA | |
| 553 (967) | BJC HealthCare | USA | |
| 554 (968) | University of Texas, Tyler | USA | |
| 555 (972) | University at Texas Rio Grande Valley | USA | |
| 556 (974) | Campbell University | USA | |
| 557 (983) | Drake University | USA | |
| 558 (986) | Beaumont Health System | USA | |
| 559 (1006) | EMMES Corp | USA | |
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