1. Seattle Children’s Hospital and University of Washington School of Medicine, Department of Pediatric, Division of Neonatology, Seattle, WA, USA
2. The Children’s Hospital of Philadelphia and The University of Pennsylvania Perelman School of Medicine, Department of Pediatric, Division of Neonatology, Philadelphia, PA, USA
3. Vanderbilt University Medical Center and Vanderbilt University School of Medicine, Department of Pediatric, Division of Neonatology, Nashville, TN, USA
4. Université de Montréal, Department of Pediatric, Division of Neonatology, Montréal, QC, Canada
5. Yale-New Haven Hospital and Yale School of Medicine, Department of Pediatric, Division of Neonatology, New Haven, CT, USA