1. Department of Cardiology, Royal Brompton HospitalRoyal Brompton & Harefield NHS Foundation Trust London UK
2. Institute of Cardiovascular Sciences, College of Medical and Dental SciencesUniversity of Birmingham Birmingham UK
3. Department of Cardiology, Queen Elizabeth HospitalUniversity Hospital Birmingham NHS Foundation Trust Birmingham UK
4. Department of Radiology, Queen Elizabeth HospitalUniversity Hospital Birmingham NHS Foundation Trust Birmingham UK
5. Department of ImagingBarts Heart Centre London UK
6. University of Sydney School of Medicine Sydney Australia
7. Prince Charles HospitalUniversity of Queensland and Griffith University Brisbane Australia
8. Auckland City Hospital Auckland New Zealand