1. Department of Paediatrics; Albert Einstein College of Medicine; Children's Hospital at Montefiore; Bronx NY USA
2. Division of Neonatology; The Valley Hospital; Ridgewood NJ USA
3. Department of Paediatrics and Clinical Ethics; Université de Montréal; Montreal QC Canada
4. Neonatology and Clinical Ethics; Hôpital Sainte-Justine Montreal; Montreal QC Canada