| University of Alabama at Birmingham (UAB) - Medical Center | Birmingham | Alabama | 35233 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Heart Center Research LLC | Huntsville | Alabama | 35801 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Onyx Clinical Research - Peoria | Peoria | Arizona | 85381 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Mayo Clinic - Phoenix | Phoenix | Arizona | 85259 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| National Heart Institute | Beverly Hills | California | 90211 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| UCLA Ronald Reagan Medical Center | Los Angeles | California | 90095 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Hoag Memorial Hospital Presbyterian | Newport Beach | California | 92663 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Profound Research LLC at Southern California Heart Specialists | Pasadena | California | 91105 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of California, San Francisco (UCSF) - Medical Center | San Francisco | California | 94143 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Lundquist Institute for Biomedical Innovation at Harbor UCLA Medical Center | Torrance | California | 90502 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| HCA Florida - JFK Hospital | Atlantis | Florida | 33462 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| New Generation of Medical Research | Hialeah | Florida | 33016 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Memorial Healthcare System | Hollywood | Florida | 33021 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Jacksonville Center for Clinical Research | Jacksonville | Florida | 32216 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Miami | Miami | Florida | 33136 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| New Generation of Medical Research - Naples | Naples | Florida | 34116 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Flourish Research - St. Augustine | Saint Augustine | Florida | 32086 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Sarasota Memorial Hospital | Sarasota | Florida | 34239 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of South Florida | Tampa | Florida | 33606 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Wellstar Kennestone Hospital | Marietta | Georgia | 30060 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Northwestern University The Feinberg School of Medicine | Chicago | Illinois | 60611 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Ascension Heart and Vascular/Alexian Brothers Heart & Vascular Institute | Elk Grove Village | Illinois | 60007 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| NorthShore University Health System | Glenview | Illinois | 60026 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Riverside Medical Center - Illinois | Kankakee | Illinois | 60901 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Midwest Cardiovascular Institute | Naperville | Illinois | 60540 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Methodist Medical Center of Illinois | Peoria | Illinois | 61636 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Midwest Cardiovascular Research and Education Foundation | Elkhart | Indiana | 46514 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Louisville Health | Louisville | Kentucky | 40202 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Johns Hopkins University School of Medicine | Baltimore | Maryland | 21287 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Maryland Medical Center | Baltimore | Maryland | 21201 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Corewell Health | Royal Oak | Michigan | 48073 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Henry Ford Hospital | West Bloomfield | Michigan | 48322 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| M Health Fairview St. John's Hospital | Maplewood | Minnesota | 55109 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Mayo Clinic - Rochester | Rochester | Minnesota | 55905 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Washington University | St Louis | Missouri | 63110 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Deborah Heart and Lung Center | Browns Mills | New Jersey | 08015 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Virtua Our Lady of Lourdes Hospital | Camden | New Jersey | 08103 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Atlantic Health System - Morristown Medical Center | Morristown | New Jersey | 85831 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Inspira Medical Centers | Mullica Hill | New Jersey | 08062 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Inspira Medical Center of Vineland | Vineland | New Jersey | 08302 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Albany Medical Center | Albany | New York | 12208 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Buffalo | Buffalo | New York | 14203 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Montefiore Medical Center | The Bronx | New York | 10467 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Duke University School of Medicine | Durham | North Carolina | 27710 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Moses H. Cone Memorial Hospital Operating Corporation d/b/a Cone Health | Greensboro | North Carolina | 27401 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Sanford Fargo | Fargo | North Dakota | 58122 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Bethesda North Hospital, TriHealth, Inc | Cincinnati | Ohio | 45242 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| The Lindner Center for Research and Education at The Christ Hospital | Cincinnati | Ohio | 45219 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Cleveland Clinic | Cleveland | Ohio | 44195 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| ProMedica Toledo Hospital | Toledo | Ohio | 43606 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Ascension St. John Hospital | Tulsa | Oklahoma | 74104 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Pittsburgh Medical Center | Pittsburgh | Pennsylvania | 15213 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| OnSite Clinical Solutions, LLC - Rock Hill | Rock Hill | South Carolina | 29732 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| TriStar Centennial Medical Center | Nashville | Tennessee | 37203 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| St. David's Heart and Vascular dba Austin Heart - Main Office | Austin | Texas | 78705 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Methodist Dallas Medical Center | Dallas | Texas | 75203 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Houston Methodist Hospital | Houston | Texas | 77030 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Texas Medical Branch - Galveston | Houston | Texas | 77555 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Baylor Scott and White - The Heart Hospital Baylor Plano | Plano | Texas | 75093 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Methodist Hospital - San Antonio | San Antonio | Texas | 78229 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| Houston Methodist Sugar Land Hospital | Sugar Land | Texas | 77479 | Kardigan Clinical Study Information Team 1-877-310-5135 |
| University of Utah Hospital & Clinics | Salt Lake City | Utah | 84112 | Kardigan Clinical Study Information Team 1-877-310-5135 |