Agency for Healthcare Research and Quality (AHRQ)

American Association of Cardiovascular and Pulmonary Rehabilitation

American Association of Heart Failure Nurses

American College of Chest Physicians (ACCP)

American College of Physicians (ACP)

American College of Surgeons (ACS)

American Heart Association National Center

American Hospital Association (AHA)

American Medical Association (AMA)

American Medical Informatics Association (AMIA)

American Osteopathic Association (AOA)

American Public Health Association (APHA)

American Society of Echocardiography (ASE)

American Society of Nuclear Cardiology

American Thoracic Society (ATS)

American Society of Hypertension (ASH)

Association for Health Services Research (AHSR)

Association of Black Cardiologists

Canadian Cardiovascular Society (CCS)

Canadian Medical Association (CMA)

Cardiofind.org

Centers for Disease Control and Prevention (CDC)

Center of Excellence in Women's Health

Centers for Medicare and Medicaid Services

ClinicalTrials.gov

Computers in Cardiology

Department of Health & Human Services (DHHS)

European Society of Cardiology

Heart1.com

Interamerican Society of Cardiology

International Academy of Cardiology

International Cardiac Pacing and Electrophysiology Society (ICPES)

International Society for Heart & Lung Transplantation

International Society of Cardiovascular Surgery

International Society on Thrombosis and Haemostasis (ISTH)

Joint Commission on Accreditation of Healthcare Organizations (JCAHO)

Mayo Clinic Treatment of Hypertrophic Cardiomyopathy

National Academy of Sciences, Institute of Medicine (IOM)

The National Center for Early Defibrillation

National Center for Health Statistics (NCHS)

National Guideline Clearinghouse.

National Heart, Lung, and Blood Institute (NHLBI)

National Science Foundation (NSF)

NASPE-Heart Rhythm Society

Society for Cardiovascular Angiography and Interventions (SCAI)

Society for Vascular Medicine and Biology (SVMB)

Society of Cardiovascular Computed Tomography (SCCT)

Society of Geriatric Cardiology

Society of Interventional Radiology (SIR)

Society of Nuclear Medicine

Society of Thoracic Surgeons (STS)

University of Maryland Medicine Maryland Heart Center

Vascular Disease Foundation

WomenHeart: the National Coalition for Women with Heart Disease

World Heart Federation