Warfarin Versus Aspirin in Reduced Cardiac Ejection Fraction (WARCEF) Trial

Columbia University, New York Presbyterian Hospital PH 3-342, New York

George Washington University, Washington D.C.

Southern Arizona Veterans Affairs Medical Center, Tucson

University of Arizona Health Sciences Center, Tucson

Santa Clara Medical Center, Santa Clara

West Los Angeles Veterans Affairs Medical Center, West Los Angeles

Denver Health Medical Center, Denver

Denver Veterans Affairs Medical Center, Denver

Mayo Clinic Transplant Center, Jacksonville

Melbourne Internal Medicine Associates, Melbourne

Jackson Memorial Hospital/U. of Miami, Miami

Mercy Research Institute, Miami

Cardiovascular Consultants of South Florida, Tamarac

Morehouse School of Medicine, Atlanta

Northeast Georgia Heart Center, Gainesville

University of Illinois at Chicago, Chicago

Methodist Heart, Lung and Vascular Institute, Peoria

University of Kentucky, Lexington

Louisville Veterans Affairs Medical Center, Louisville

University of Louisville, Louisville

Gulf Regional Research, LLC, Metairie

LSU Health Sciences Center, Shreveport

Lahey Clinic, Burlington

Veterans Affairs Medical Center, Detroit

Mercy Health Partners, Muskegon

Reno Veterans Affairs Medical Center, Reno

Concord Hospital, Concord

UMDNJ - New Brunswick, New Brunswick

University of Medicine and Dentistry of New Jersey, Newark

Albany Medical College, Albany

Buffalo General Hospital, Buffalo

Kaleida Health Millard Fillmore Hospital, Buffalo

Five Towns Neuroscience Research, Cedarhurst

Long Island Jewish Medical Center, New Hyde Park

Columbia University Medical Center, New York

Mount Sinai Medical Center, New York

Northport Veterans Affairs Medical Center, Northport

University of Rochester Medical Center, Rochester

University of North Carolina at Chapel Hill, Chapel Hill

MetroHealth Medical Center, Cleveland

Oklahoma City Veterans Affairs Medical Center, Oklahoma City

Lehigh Valley Hospital, Allentown

Tri-State Medical Group Cardiology, Beaver

Sewickley Valley Medical Group, Cardiology, Leetsdale

Albert Einstein Medical Center, Philadelphia

Hospital of the University of Pennsylvania, Philadelphia

Penn Presbyterian Medical Center, Philadelphia

Temple University Hospital, Philadelphia

Black Hills Health Care System, Fort Meade

Brooke Army Medical Center MCHE - MDC Cardiology Service, Fort Sam Houston

Michael E. DeBakey Veterans Affairs Medical Center-MEDVAMC, Houston

Salem VAMC, Salem

Huntington Veterans Affairs Medical Center, Huntington

William S. Middleton Memorial Veterans Hospital, Madison

Center for Neurologic Research, Lethbridge

St. Boniface General Hospital, Winnipeg

Saint John Regional Hospital, Saint John

QE II Health Sciences Centre, Halifax

London Health Sciences Centre, London

Ottawa Heart Institute, Ottawa

Etobicoke Cardiac Research Centre, Rexdale

St. Michael's Hospital, Toronto

Montreal General Hospital, Montreal

Montreal Heart Institute, Montreal