1. Sydney School of Public Health and
2. the Daffodil Centre, the University of Sydney, Sydney, New South Wales, Australia;
3. Oxford British Heart Foundation Centre of Research Excellence and
4. Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom; and
5. Prince of Wales Clinical School, University of New South Wales, Sydney, New South Wales, Australia