1. Faculty of Arts and Social Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK
2. Department of Science, Technology, Engineering and Public Policy, University College London, London W1T 6EY, UK
3. Science, Technology and Innovation Studies, University of Edinburgh, Edinburgh EH1 1LZ, UK
4. Economic and Social Research Foundation, Dar es Salaam, Tanzania
5. Centre for Public Health Research, Kenya Medical Research Institute, Nairobi, Kenya