About the Authors

Sumeet R. Patil

srpatil@neerman.org

Affiliations Network for Engineering and Economics Research and Management (NEERMAN), Mumbai, Maharashtra, India, School of Public Health, University of California, Berkeley, California, United States of America

Benjamin F. Arnold

Affiliation School of Public Health, University of California, Berkeley, California, United States of America

Alicia L. Salvatore

Affiliation Stanford School of Medicine, Stanford University, Stanford, California, United States of America

Bertha Briceno

Affiliation Water and Sanitation Program, the World Bank, Washington (D.C.), United States of America

Sandipan Ganguly

Affiliation National Institute for Cholera and Enteric Diseases, Kolkata, West Bengal, India

John M. Colford Jr

Affiliation School of Public Health, University of California, Berkeley, California, United States of America

Paul J. Gertler

Affiliations School of Public Health, University of California, Berkeley, California, United States of America, Haas School of Business, University of California, Berkeley, California, United States of America

Competing Interests

BB was part of the research team and regular staff of the World Bank (under employment contract), which administered the funding through the Water and Sanitation Program. All other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SRP BFA ALS SG JMC PJG. Performed the experiments: SRP ALS. Analyzed the data: SRP BFA. Wrote the first draft of the manuscript: SRP BFA. Contributed to the writing of the manuscript: SRP BFA ALS BB SG JMC PJG. ICMJE criteria for authorship read and met: SRP BFA ALS BB SG JMC PJG. Agree with manuscript results and conclusions: SRP BFA ALS BB SG JMC PJG. Designed and supervised laboratory analysis of stool samples: SG.