- Correspondence to Dr Varun Sharma, Department of Respiratory Medicine, Queen Elizabeth University Hospital, 1345 Govan Road, Glasgow G51 4TF, UK;
- Received May 1, 2017
- Revised July 15, 2017
- Accepted August 7, 2017
- First published August 28, 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.