1. Pediatrix Medical Group, Baylor Health Care System, Dallas, Texas
2. Division of Neonatology, Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, Illinois3Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
3. Clear Lake Regional Medical Center, Webster, Texas
4. Department of Quantitative Sciences, Baylor Health Care System, Dallas, Texas
5. Pediatrix Medical Group, Greenville Memorial Hospital, Greenville, South Carolina7Center for Research, Education, and Quality, Pediatrix Medical Group, Sunrise, Florida