May C I van Schalkwyk1, Pepita Barlow2, David Stuckler3, Maggie Rae4, Tim Lang5, Tamara Hervey6, Martin McKee7. 1. Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK may.vanschalkwyk@lshtm.ac.uk. 2. Bennett Institute for Public Policy, University of Cambridge, Cambridge, UK. 3. Department of Policy Analysis and Public Management and Dondena Research Centre, University of Bocconi, Milan, Italy. 4. Faculty of Public Health, London, UK. 5. Centre for Food Policy, School of Health Sciences, City University of London, London, UK. 6. School of Law, University of Sheffield, Sheffield, UK. 7. Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK.