1. Division of Experimental Cardiology, Department of Cardiology, Thoraxcenter; Cardiovascular Research School COEUR, Erasmus University Medical Center, Rotterdam, The Netherlands;
2. Division of Neonatology, Department of Pediatrics, Sophia Children's Hospital, Erasmus University Medical Center, Rotterdam, The Netherlands;
3. Department of Biomedical Sciences, University of Missouri, Columbia, Missouri; and
4. Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, Missouri