1. Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
2. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, Churchill Hospital, Oxford, UK
3. Kellogg College, University of Oxford, Oxford, UK
4. Centre for Social Science and Global Health, University of Amsterdam, Amsterdam, The Netherlands
5. Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
6. The Ethox Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK