- Correspondence to Samuel Kemp, Department of Respiratory Medicine, Royal Brompton Hospital, Fulham Road, London SW3 6NP, UK;
- Received September 13, 2009
- Accepted March 13, 2010
- First published June 3, 2010.
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.