1. Department of Epidemiology and Public Health Medicine Royal College of Surgeons in Ireland Dublin Ireland
2. Institute of Environment, Health and Societies Brunel University London London UK
3. Department of Physical Medicine and Rehabilitation University of Michigan Medicine Ann Arbor MI USA
4. Department of Cardiology Aberdeen Royal Infirmary Aberdeen UK
5. Department of Interventional Cardiology Hospital Clínico San Carlos Madrid Spain
6. Department of Psychological Sciences Faculty of Health and Medical Sciences University of Surrey Guildford UK
7. School of Mathematical Sciences Queen Mary University of London London UK
8. Department of Medical Statistics London School of Hygiene and Tropical Medicine London UK