- Correspondence to Dr Paul Wood, Department of Anaesthetics, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham B15 2WB, UK;
- Received June 12, 2017
- Revision received July 21, 2017
- Accepted July 27, 2017
- First published September 6, 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.