1. Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of Michigan C.S. Mott Children's Hospital, Ann Arbor, Michigan
2. Division of Neonatology, Tennessee Valley Neonatology, Huntsville, Alabama
3. Division of Neonatology, Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, Illinois
4. Division of Neonatology, Department of Pediatrics, University of Mississippi Medical Center, Jackson, Mississippi
5. Maternal, Fetal, & Neonatal Institute, Johns Hopkins All Children’s Hospital, St. Petersburg, Florida
6. Division of Pediatric Palliative Care, Department of Pediatrics, University of Mississippi Medical Center, Jackson, Mississippi
7. Department of Internal Medicine, St Vincent Hospital, Indianapolis, Indiana
8. Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana
9. Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, Wisconsin
10. Division of Neonatology, Department of Pediatrics, NorthShore Evanston Hospital, Evanston, Illinois
11. Department of Pediatrics, University of Chicago Pritzker School of Medicine, Chicago, Illinois