RT Journal Article SR Electronic T1 Correction JF Archives of Disease in Childhood - Fetal and Neonatal Edition JO Arch Dis Child Fetal Neonatal Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP e1 OP e1 DO 10.1136/archdischild-2011-300631 VO 98 IS 5 YR 2013 UL http://fn.bmj.com/content/98/5/e1.2.abstract AB