- Correspondence to Professor Sunil K Sinha, Department of Paediatrics and Neonatal Medicine, University of Durham and James Cook University Hospital, Marton Road, Middlesbrough TS4 3BW, UK;
- Accepted 9 February 2009
- Published in print 1 September 2009.
- Published online 21 August 2009.
- Published first 25 March 2009.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.