About the Authors

Martin Walker

Contributed equally to this work with: Martin Walker, Mark P. Little

Affiliation Department of Infectious Disease Epidemiology, School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom

Mark P. Little

Contributed equally to this work with: Martin Walker, Mark P. Little

Current address: Radiation Epidemiology Branch, National Cancer Institute. Rockville, Maryland, United States of America

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom

Karen S. Wagner

Affiliation Travel and Migrant Health Section, Health Protection Agency Centre for Infections, London, United Kingdom

Edoh W. Soumbey-Alley

Affiliation Health Information Systems, World Health Organization Regional Office for Africa, Brazzaville, Congo

Boakye A. Boatin

Current address: Lymphatic Filariasis Support Centre, Department of Parasitology, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon, Ghana, and Institute of Parasitology, McGill University, Montreal, Canada

Affiliation Special Programme for Research and Training in Tropical Diseases, World Health Organization, Geneva, Switzerland

María-Gloria Basáñez

m.basanez@imperial.ac.uk

Affiliation Department of Infectious Disease Epidemiology, School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: MW MPL KSW. Wrote the paper: MW MPL M-GB. Managed data collection by the OCP at its headquarters in Burkina Faso: EWSA. Made the data available for analysis as the last OCP director: BAB. Liaised with the OCP for provision of the data and discussed with MW, MPL, and KSW the analysis and interpretation of results: M-GB. Read and approved the final, submitted version: MW MPL KSW EWSA BAB M-GB.