1 Department of Infectious Disease Epidemiology, Imperial College London, London, UK.
2 London School of Hygiene & Tropical Medicine, London, UK.
3 Pôle Epidémiologie et Biostatistique, Institut de Recherche Expérimentale et Clinique, Faculté de Santé Publique, Université Catholique de Louvain, Brussels, Belgium.
4 Department of Global Health & Population, Harvard T H Chan School of Public Health, Boston, MA, USA.
5 Institute of Health and Society, Université Catholique de Louvain, Brussels, Belgium; Centre Muraz, Ministry of Health, Bobo-dioulasso, Burkina Faso; Université de Ouagadougou, Ouagadougou, Burkina Faso.
6 Department of Infectious Disease Epidemiology, Imperial College London, London, UK; Institute of Health and Society, Université Catholique de Louvain, Brussels, Belgium; Centre Muraz, Ministry of Health, Bobo-dioulasso, Burkina Faso; Université de Ouagadougou, Ouagadougou, Burkina Faso.
7 London School of Hygiene & Tropical Medicine, London, UK. Electronic address: [email protected].