- Correspondence to Dr Linda Quan, Department of Emergency Services, Seattle Children's Hospital, MB.7.520, 4800 Sand Point Way NE, Seattle, WA 98145-5005, USA;
- Received 2 September 2013
- Revised 21 November 2013
- Accepted 30 December 2013
- Published in print 8 February 2014.
- Published online 10 February 2014.
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.