1. The Hatter Cardiovascular Institute University College London; London United Kingdom
2. The Heart Hospital; London United Kingdom
3. Nuffield Trust; London United Kingdom
4. The National Institute of Health Research; University College London Hospitals Biomedical Research Centre; London United Kingdom
5. National Heart Research Institute Singapore; National Heart Centre Singapore; Singapore
6. Cardiovascular and Metabolic Disorders Program; Duke-National University of Singapore; Singapore