1. Drexel University College of Medicine, St. Christopher’s Hospital for Children and Temple University Hospital, Philadelphia, PA, USA
2. Department of Pediatrics, Division of Neonatology, Children’s National Medical Center, George Washington University, School of Medicine and Health Sciences, Washington, DC, USA
3. Aristotle University of Thessaloniki, School of Medicine, Thessaloniki, Greece
4. Department of Pediatrics, Division of Emergency Medicine, Children’s National Medical Center, George Washington University, School of Medicine and Health Sciences, Washington, DC, USA
5. Nemours/AI DuPont Hospital for Children, Sidney Kimmel Medical College at Thomas Jefferson University, Wilmington, DE, USA
6. Children’s Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA