Georgia Health Sciences University, Augusta, Georgia, United States
University of Alabama at Birmingham, Birmingham, Alabama, United States
Tulane University Health Science Center, New Orleans, Louisiana, United States
Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
National Heart, Lung and Blood Institute (NHLBI), 9000 Rockville Pike, Bethesda, Maryland, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
ISA Associates, Inc., Alexandria, Virginia, United States
National Heart, Lung and Blood Institute (NHLBI), 9000 Rockville Pike, Bethesda, Maryland, United States
Wake Forest University Health Sciences, Winston-Salem, North Carolina, United States
Chinese Academy of Medical Sciences, Beijing, China