About the Authors
Partners In Health, Maseru, Lesotho
Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, United States of America
Division of Global Health Equity, Brigham and Women’s Hospital, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: HS MMM DBO JSM KJS. Performed the experiments: HS MMM. Analyzed the data: HS MMM SK MCB KJS. Wrote the paper: HS MMM DBO SK MCB JSM KJS.