About the Authors
Department of Biostatistics and Epidemiology, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States of America
Department of Family, Community and Rural Health, The Commonwealth Medical College, Scranton, Pennsylvania, United States of America
International Health Institute, Brown University, Providence, Rhode Island, United States of America
Division of Clinical Epidemiology, McGill University Health Centre, Montréal, Canada
Research Institute for Tropical Medicine, Alabang, Muntinlupa City, Philippines
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MRT. Performed the experiments: HC STM EB RO. Analyzed the data: MRT HC LJ. Wrote the paper: MRT. Interpreted the data: MRT HC LJ. Contributed to all phases of the field study: STM. Supervised the acquisition of data: EB RO.