Affiliations

• ¹ Department of Health Services Research and Policy, London School of Hygiene and Tropical Medicine, London WC1H 9SH, UK richard.grieve@lshtm.ac.uk.
• ² Department of Health Sciences, University of Leicester, Leicester, UK.
• ³ Centre for Health Economics, University of York, York, UK.
• ⁴ Centre for Evidence-Based Medicine, University of Oxford, Oxford, UK.
• ⁵ University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.
• ⁶ School of Health and Related Research, University of Sheffield, Sheffield, UK.
• ⁷ Medical Research Council Clinical Trials Unit, University College London, London, UK.
• ⁸ Institute of Cancer Research: Royal Cancer Hospital, London, UK.
• ⁹ Travers Department of Political Science, Department of Statistics, University of California, Berkeley, CA, USA.
• ¹⁰ Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine.
• ¹¹ Statistical Laboratory, Centre for Mathematical Sciences, Cambridge, UK.