- Correspondence to Dr Joanna Pepke-Zaba, Pulmonary Vascular Diseases Unit, Papworth Hospital NHS Trust, Papworth Everard, Cambridgeshire CB3 8RE, UK;
- Received July 26, 2010
- Accepted January 6, 2011
- First published February 5, 2011.
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.