Imperial College London, London, United Kingdom
National Heart and Lung Institute, London, United Kingdom
Heart of England NHS Foundation Trust, Birmingham, United Kingdom
St. Mary's Hospital, London, United Kingdom
St Marys Hospital, Paddington, London, United Kingdom
Harefield Hospital, Royal Brompton and Harefiled NHS Trust, Middlesex, United Kingdom
Papworth Hospital, Cambridge, United Kingdom
Demetri C Panayi, London, United Kingdom
Imperial College London, London, United Kingdom
International Centre for Circulatory Health, London, United Kingdom
Imperial College London, Hammersmith Hospital, London, United Kingdom
Addenbrooke's Hospital, Cambridge, United Kingdom
Ealing Hospital, London, United Kingdom
Imperial College London - Hammersmith Campus, London, United Kingdom