National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
University of Pennsylvania Cancer Center, Philadelphia, Pennsylvania, United States
University of Texas Southwestern Medical Center, Dallas, Texas, United States
BMT Group of Georgia (Northside Hospital), Atlanta, Georgia, United States
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
Rigshospitalet, Copenhagen, Denmark
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Heart, Lung and Blood Institute (NHLBI), Bethesda, Maryland, United States
Medstar Washington Hospital Center, Washington, District of Columbia, United States
Advocate Heart Institute, Oakbrook Terrace, Illinois, United States
Cardiovascular Institute of the South, Houma, Louisiana, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States