1. Department of Pediatrics, Division of Neonatology, Case Western Reserve University School of Medicine, MetroHealth Medical Center, Cleveland, OH, USA
2. Department of Pediatrics, Division of Newborn Medicine, Washington University in St. Louis and St. Louis Children’s Hospital, St. Louis, MO, USA
3. Department of Pediatrics, Division of Neonatology, Keck School of Medicine of USC, Los Angeles, CA, USA
4. Department of Pediatrics, Division of Neonatology, University of Virginia Health System, Charlottesville, VA, USA
5. Department of Pediatrics, Division of Neonatal-Perinatal Medicine, Penn State College of Medicine, Penn State Health Children’s Hospital, Hershey, PA, USA
6. Department of Pediatrics, Section of Neonatal-Perinatal Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
7. Department of Pediatrics, Division of Neonatology, University of Alabama at Birmingham, Birmingham, AL, USA
8. Department of Pediatrics, Division of Neonatology, Brooke Army Medical Center, San Antonio, TX, USA
9. Department of Pediatrics, Children’s Hospital Los Angeles, Los Angeles, CA, USA
10. Department of Pediatrics, Johns Hopkins All Children’s Hospital, St. Petersburg, FL, USA
11. Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
12. Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
13. Department of Pediatrics, Division of Neonatology, University of Washington School of Medicine and Seattle Children’s Hospital. Seattle, WA, USA