About the Authors

Daniel Mäusezahl

Daniel.Maeusezahl@unibas.ch

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Andri Christen

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Gonzalo Duran Pacheco

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Fidel Alvarez Tellez

Affiliation Project Concern International (PCI), Cochabamba, Bolivia

Mercedes Iriarte

Affiliation Centro de Aguas y Saneamiento Ambiental (CASA), Facultad de Tecnología, Universidad Mayor de San Simón (UMSS), Cochabamba, Bolivia

Maria E. Zapata

Affiliation Instituto de Investigaciones Biomédicas (IIBISMED), Facultad de Medicina, Universidad Mayor de San Simon, Cochabamba, Bolivia

Myriam Cevallos

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Jan Hattendorf

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Monica Daigl Cattaneo

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

Benjamin Arnold

Affiliation Centers for Occupational and Environmental Health and Family and Community Health, School of Public Health, Berkeley, University of California, Berkeley, California

Thomas A. Smith

Affiliation Department of Public Health and Epidemiology, Swiss Tropical Institute (STI), University of Basel, Switzerland

John M. Colford Jr

Affiliation Centers for Occupational and Environmental Health and Family and Community Health, School of Public Health, Berkeley, University of California, Berkeley, California

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: DM AC GDP FAT MI MEZ MC JH MDC BA TAS JMC. Agree with the manuscript's results and conclusions: DM AC GDP FAT MI MEZ MC JH MDC BA TAS JMC. Designed the experiments/the study: DM TAS JMC. Analyzed the data: DM AC GDP JH MDC BA JMC. Collected data/did experiments for the study: AC MC MI. Enrolled patients: AC MC. Wrote the first draft of the paper: DM AC JH. Contributed to the writing of the paper: DM AC GDP MC JH MDC BA TAS JMC. Responsible on site for the overall study coordination and supervision: AC. Contributed to the laboratory studies specifically the microbiological monitoring of water quality: MI. Conducted analysis of stool specimen: MEZ. Responsible for the coordination and supervision of the field activities and field data collection team: MC. Administrative and technical support: JH. Advised on data analysis: TAS.