1. Division of Neonatology, Christiana Care Health System, Newark, Delaware;
2. Division of Neonatology, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
3. CHC St Vincent, Rocourt, Belgium;
4. Department of Paediatrics, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada;
5. Department of Neonatal Medicine, Karolinska Hospital, Stockholm, Sweden;
6. Department of Pediatrics, University Hospitals Leuven, Leuven, Belgium;
7. Sao Francisco Xavier Hospital, Lisbon, Portugal;
8. Department of Pediatrics, Lisbon Medical School, Lisbon, Portugal;
9. Department of Neonatology, Charles University, Prague, Czech Republic;
10. Women & Children's Division, Oslo University Hospital, Oslo, Norway;
11. Faculty of Medicine, University of Oslo, Oslo, Norway;
12. Department of Pediatrics, Oulu University Hospital and University of Oulu, Oulu, Finland;
13. Division of Neonatology, St Christopher’s Hospital for Children, Philadelphia, Pennsylvania;
14. Department of Pediatrics, Nihon University School of Medicine, Tokyo, Japan;
15. Division of Neonatology, University of British Columbia, Vancouver, British Columbia, Canada;
16. Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada;
17. Department of Pediatrics, University of Leicester, Leicester, United Kingdom;
18. Department of Newborn Care, University of New South Wales, Sydney, Australia; and
19. Department of Pediatrics, University of Otago, Christchurch, New Zealand