1. Neonatal‐Perinatal Medicine Division Children's Hospital of Orange County Orange California USA
2. Children's Hospital Association Lenexa Kansas USA
3. Children's Mercy Kansas City University of Missouri Kansas City Missouri USA
4. Division of Newborn Medicine Magee‐Women's Hospital of UPMC/Children's Hospital of Pittsburgh Pittsburgh Pennsylvania USA
5. Seattle Children's Hospital University of Washington Seattle Washington USA
6. Division of Neonatology Nationwide Children's Hospital Columbus Ohio USA
7. Division of Neonatology, Department of Pediatrics, Children's of Alabama University of Alabama at Birmingham Birmingham Alabama USA
8. Children's Healthcare of Atlanta Emory University School of Medicine Atlanta Georgia USA
9. University of Texas Southwestern Medical Center Dallas Texas USA
10. Department of Pediatrics Riley Hospital for Children, Indiana University School of Medicine Indianapolis Indiana USA
11. Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Feinberg School of Medicine Northwestern University Chicago Illinois USA
12. Department of Pediatrics, Children's Hospital of Wisconsin Medical College of Wisconsin Milwaukee Wisconsin USA