1. Department
of Global Health and Population, Harvard School of Public Health, Boston, Massachusetts, United States
2. Department
of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, United States
3. Institute
of Physics, University of Sao Paulo, Sao Paulo, Brazil
4. Department
of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, United States
5. Child
Survival Theme, Medical Research Council Unit, The Gambia, Fajara, The Gambia
6. Veterinary
Epidemiology and Public Health Group, Royal Veterinary College, London, United Kingdom
7. Department
of Physics, University of Ghana, Legon, Ghana
8. Department
of Geography and Resource Development, University of Ghana, Legon, Ghana
9. Medical
Research Council-Public Health England Centre for Environment and
Health, Department of Epidemiology and Biostatistics, School of Public
Health, Imperial College London, London, United Kingdom