- Correspondence to Dr Ellen J Weber, Emergency Medicine, University of California San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0208, USA;
- Received 7 June 2017
- Accepted 13 June 2017
- Published in print 12 July 2017.
- Published online 13 July 2017.
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.