National Institutes of Health Clinical Center, Bethesda, Maryland, 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
Cooper Green Hospital, Birmingham, Alabama, United States
University of Alabama, Birmingham, Alabama, United States
National Heart, Lung and Blood Institute (NHLBI), Bethesda, Maryland, United States
National Heart, Lung and Blood Institute (NHLBI), Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States