- Correspondence to Professor Michael Steiner, Leicester Respiratory Biomedical Unit, University Hospitals of Leicester NHS Trust, Glenfield Hospital, Groby Road, Leicester LE3 9QP, UK;
- Received September 5, 2016
- Revised November 30, 2016
- Accepted December 1, 2016
- First published January 11, 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.