North Bristol NHS Trust, Bristol, United Kingdom
Imperial College Healthcare NHS Trust, London, United Kingdom
Aneurin Bevan University Health Board, Newport, United Kingdom
Imperial Clinical Research Facility, London, United Kingdom
Imperial College London, London, United Kingdom
Imperial College Healthcare NHS Trust, London, United Kingdom
National Heart and Lung Institute, Imperial College London, London, United Kingdom
University College London Hospital, London, United Kingdom
University Hospital Coventry and Warwickshire, Coventry, United Kingdom
Newcastle Hospital NHS Foundation Trust, Newcastle Upon Tyne, United Kingdom
Imperial College Healthcare Trust, London, United Kingdom
University Hospital Cologne, Cologne, Germany
University Hospital Schleswig-Holstein Campus Luebeck, Luebeck, Germany
Klinikum Altenburger Land, Altenburg, Germany
Imperial College London, London, United Kingdom
Imperial College Healthcare NHS Trust, London, United Kingdom