1. National Institute for Health Research School for Public Health Research Newcastle upon Tyne UK
2. Population Health Sciences, Bristol Medical School University of Bristol Bristol UK
3. Centre for Exercise, Nutrition & Health Sciences, School for Policy Studies University of Bristol Bristol UK
4. National Institute for Health Research Collaboration for Leadership, Applied Health Research and Care West (NIHR CLAHRC West) Bristol UK
5. Department of Public Health, Environments and Society London School of Hygiene and Tropical Medicine London UK
6. Centre for Diet and Activity Research (CEDAR) MRC Epidemiology Unit University of Cambridge Cambridge UK