Wellcome Trust-McMichael Clinical Research Facility, Imperial college London London, United Kingdom W12 0NN, London, United Kingdom
Chelsea and Westminster Hospital NHS Foundation Trust, London, United Kingdom
International Centre for Circulatory Health, London, United Kingdom
Gale Farm Surgery, York, United Kingdom
Haxby Group Practice, York, United Kingdom
Whitby Group Practice, Whitby, North Yorkshire, United Kingdom
St Mary's Hospital, Paddington, London, United Kingdom
Royal Brompton Hospital, London, United Kingdom
Liver unit St Mary's Hospital, 10th floor QEQM Wing, South Wharf Road, London, United Kingdom
Imperial College, Hammersmith Hospital, London, United Kingdom
Imperial College London, London, United Kingdom
NIHR/Wellcome Trust Imperial CRF, London, United Kingdom