Hillingdon Hospital, Uxbridge, United Kingdom
Watford General Hospital, Watford, United Kingdom
Royal Brompton Hospital, London, UK, United Kingdom
Chelsea and Westminster Hospital, London, United Kingdom
The Royal Brompton Hospital, London, United Kingdom
Thoraxklinik, University of Heidelberg, Heidelberg, Germany
Royal Brompton Hospital, London, United Kingdom
Royal Brompton Hospital, London, United Kingdom
Royal Brompton & Harefield NHS Foundation Trust, London, Greater London, United Kingdom
Universitätsklinikum Tübingen, Tübingen, Germany
Harefield Hospital, Harefield, Middlesex, United Kingdom
Royal Brompton And Harefield NHS Trust, Harefield, Middlesex, United Kingdom
Royal Brompton Hospital, London, United Kingdom