National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
University of Florida College of Medicine (Shands), Gainesville, Florida, United States
Virginia Commonwealth University MCV Hospitals, Richmond, Virginia, United States
University of North Carolina Hospital at Chapel Hill, Chapel Hill, North Carolina, United States
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, Bethesda, Maryland, United States
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
University of Alabama at Birmingham, Birmingham, Alabama, United States
University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States