1. Division of Neonatology, Department of Pediatrics, University of California, San Diego, California;
2. Department of Pediatric Research, Rikshospitalet University Hospital, Oslo Norway;
3. Division of Neonatology, University Children's Hospital La Fe, Valencia, Spain;
4. CHU Ste Justine, Montreal, Quebec, Canada;
5. Department of Pediatrics, Royal Women's Hospital, Melbourne, Australia;
6. Department of Pediatrics, University of Miami, Miami, Florida;
7. Department of Pediatrics, Royal Hospital for Women, Sydney, Australia;
8. Department of Pediatrics, Rainbow Babies & Children's Hospital, Cleveland, Ohio; and
9. Foothills Medical Center, Calgary, Alberta, Canada