RT Journal Article SR Electronic T1 Corrections JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 857 OP 857 DO 10.1136/adc.2009.164715corr1 VO 95 IS 10 YR 2010 UL http://adc.bmj.com/content/95/10/857.1.abstract AB