1. Wolfson Institute of Population Health Queen Mary University of London London UK
2. Blizard Institute Queen Mary University of London London UK
3. National Drug and Alcohol Research Centre University of New South Wales Sydney Australia
4. Centre for Academic Primary Care University of Nottingham Nottingham UK
5. Division of Population Health Sciences and Education, St George's University of London London UK
6. Institute of Social Marketing and Health University of Stirling Stirling UK
7. School of Health Sciences University of East Anglia Norwich UK