1. Department of Disease Control, London School of Hygiene and Tropical Medicine, London, UK
2. Department of Research, Monitoring & Evaluation, Muso, Bamako, Mali
3. Malaria Research & Training Centre, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
4. Institute for Health & Aging, University of California, San Francisco, San Francisco, California, USA
5. Muso, Bamako, Mali
6. Ministère de la Santé et du Développement Social, Mali
7. Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, UK
8. Institute for Social Research, University of Michigan, Ann Arbor, Michigan, USA
9. Institute for Global Health Sciences, University of California, San Francisco, San Francisco, California, USA