- Correspondence to Dr Sainath Raman, Children's Acute Transport Service, Great Ormond Street Hospital, Great Ormond Street, London WC1N 3JH, UK;
- Received February 4, 2013
- Revised April 18, 2013
- Accepted April 23, 2013
- First published May 23, 2013.
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.