1. The Pediatric Heart Lung Center, Department of Pediatrics
2. Section of Critical Care
3. Section of Neonatology
4. Department of Biostatistics and Informatics, University of Colorado School of Public Health, Aurora, Colorado
5. Section of Cardiology, and
6. Section of Pulmonary Medicine, Children’s Hospital Colorado and the University of Colorado Anschutz Medical Center, Aurora, Colorado
7. University Medical Center Groningen and University of Groningen, Groningen, the Netherlands; and
8. Perinatal Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio