About the Authors
Department of Infectious Disease Epidemiology, School of Public Health, Faculty of Medicine (St. Mary's Campus), Imperial College London, Norfolk Place, London, United Kingdom
Council for Scientific and Industrial Research, Water Research Institute, Accra, Ghana
Neglected Tropical Diseases Control Programme, Disease Control and Prevention Department, Ghana Health Service, Accra, Ghana
The authors have declared that no competing interests exist.
Analyzed the data: HCT. Wrote the paper: HCT MW TSC MGB. Collected the data: HCT MYOA EJT OA NKB. Read and approved the final, submitted version: HCT MYOA MW EJT TSC OA NKB MGB.