About the Authors

Sandy Cairncross

sandy.cairncross@lshtm.ac.uk

Affiliation London School of Hygiene & Tropical Medicine, London, United Kingom

Jamie Bartram

Affiliation Water Institute, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina, United States of America

Oliver Cumming

Affiliation WaterAid, London, United Kingom

Clarissa Brocklehurst

Affiliation UNICEF, New York, New York, United States of America

Competing Interests

SC leads a research programme funded by DFID.

Author Contributions

ICMJE criteria for authorship read and met: SC JB OC CB. Agree with the manuscript's results and conclusions: SC JB OC CB. Wrote the first draft of the paper: SC JB. Contributed to the writing of the paper: SC JB OC CB. Recruited the other authors: SC.