St. Bartholomew's Hospital, London, United Kingdom
Centre for Advanced Cardiovascular Imaging, William Harvey Research Institute, Queen May University of London, London, United Kingdom
Tobacco Dependence Research Unit, Queen Mary University of London, London, United Kingdom
Changzhi Medical College, Changzhi, Shanxi, China
Royal Sussex County Hospital, Brighton, United Kingdom
Royal Bournemouth Hospital, Bournemouth, United Kingdom
University Hospitals Coventry & Warwickshire NHS Trust, Coventry, United Kingdom
The Royal London Hospital, London, United Kingdom
Queen Mary University of London, London, England, United Kingdom
Barts Health NHS Trust, London, United Kingdom
Barts Health NHS Trust, London, United Kingdom
Queen Mary University of London, London, United Kingdom