| 501 (1883) | University of Maine, Orono | USA |  |
| 502 (1892) | Western Michigan University | USA | |
| 503 (1895) | Centre de Recherche de l'Institut Universitaire de Geriatrie de Montreal | CAN |  |
| 504 (1899) | University of Southern Mississippi | USA | |
| 505 (1905) | IWK Health Centre * | CAN | |
| 506 (1906) | Southern Illinois University School of Medicine | USA | |
| 507 (1937) | University of Wyoming | USA | |
| 508 (1952) | Smith College | USA | |
| 509 (1953) | Brock University | CAN | |
| 510 (1954) | Suffolk University | USA | |
| 511 (1956) | Loma Linda University Medical Center | USA | |
| 512 (1959) | University of South Dakota | USA | |
| 513 (1969) | Duquesne University | USA | |
| 514 (1972) | Institut Universitaire de Geriatrie de Montreal * | CAN | |
| 515 (1974) | Children's Healthcare of Atlanta | USA | |
| 516 (1978) | Tennessee Valley Healthcare System | USA | |
| 517 (1982) | University of Colorado, Colorado Springs | USA | |
| 518 (1991) | University of South Alabama * | USA | |
| 519 (1996) | Mount Sinai Hospital | USA | |
| 520 (2003) | Tufts Medical Center | USA | |
| 521 (2004) | University of Massachusetts, Lowell | USA | |
| 521 (2004) | Nova Southeastern University, Estados Unidos | USA | |
| 523 (2012) | Center for Drug Evaluation & Research | USA |  |
| 524 (2025) | California State University, Los Angeles | USA | |
| 525 (2029) | Toronto General Hospital | CAN | |
| 526 (2036) | Pennington Biomedical Research Center | USA | |
| 527 (2038) | University of North Carolina, Wilmington | USA | |
| 528 (2039) | Henry M Jackson Foundation for the Advancement of Military Medicine | USA | |
| 529 (2040) | Santa Clara University | USA | |
| 530 (2043) | Oakland University | USA | |
| 531 (2056) | OU Medicine | USA | |
| 532 (2063) | Massachusetts Department of Public Health | USA | |
| 533 (2077) | North Dakota State University | USA | |
| 534 (2079) | Allegheny Health Network | USA | |
| 535 (2083) | U.S. Air Force | USA | |
| 536 (2088) | Idaho State University | USA | |
| 537 (2090) | West Chester University of Pennsylvania | USA | |
| 538 (2101) | Pepperdine University | USA | |
| 539 (2104) | Sam Houston State University | USA | |
| 540 (2108) | London Health Sciences Centre | CAN | |
| 541 (2116) | Central Michigan University | USA | |
| 542 (2127) | University of Nebraska, Omaha | USA | |
| 543 (2129) | William Paterson University | USA | |
| 544 (2132) | Intermountain Healthcare | USA | |
| 545 (2143) | California State University, East Bay | USA | |
| 546 (2152) | Universite du Quebec en Chicoutimi | CAN | |
| 547 (2155) | Los Angeles Biomedical Research Institute | USA | |
| 548 (2156) | Kennesaw State University | USA | |
| 549 (2163) | Eastern Virginia Medical School | USA | |
| 550 (2164) | Lehigh University | USA | |
| 551 (2166) | University of Ontario Institute of Technology | CAN | |
| 552 (2169) | Sherbrooke's university hospital | CAN | |
| 552 (2169) | Walter Reed National Military Medical Center | USA | |
| 554 (2182) | Lakehead University | CAN | |
| 555 (2184) | Western University of Health Sciences | USA | |
| 556 (2186) | Eastern Michigan University | USA | |
| 557 (2200) | MGH Institute of Health Professions | USA | |
| 558 (2211) | Albany Medical Center * | USA | |
| 559 (2216) | Western Kentucky University | USA | |
| 559 (2216) | Saint John's University | USA | |
| 561 (2226) | University of the Pacific | USA | |
| 562 (2231) | Indiana University Health | USA | |
| 563 (2241) | Quinnipiac University | USA | |
| 564 (2258) | Texas Christian University | USA | |
| 565 (2265) | Harbor–UCLA Medical Center | USA | |
| 566 (2273) | Saint Louis University Care | USA | |
| 567 (2276) | Cleveland State University | USA | |
| 568 (2289) | Kansas State University | USA | |
| 569 (2309) | Oklahoma State University Medical Center * | USA | |
| 570 (2321) | Richard Stockton College of New Jersey | USA | |
| 571 (2322) | Northern Ontario School of Medicine | CAN | |
| 572 (2325) | Appalachian State University | USA | |
| 573 (2338) | Long Island University | USA | |
| 574 (2340) | University of New Brunswick | CAN | |
| 575 (2346) | Meharry Medical College | USA | |
| 576 (2351) | Charles R. Drew University of Medicine & Science | USA | |
| 577 (2367) | Illinois State University | USA | |
| 578 (2375) | Northeast Ohio Medical University | USA | |
| 579 (2381) | North York General Hospital | CAN | |
| 580 (2384) | Texas Woman's University | USA | |
| 581 (2397) | Western Carolina University | USA | |
| 582 (2401) | University of Houston, Clear Lake | USA | |
| 583 (2403) | University of Houston - Downtown | USA | |
| 584 (2415) | Walter Reed Army Institute of Research * | USA |  |
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