Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-23878-2, published online 03 April 2018

The Acknowledgements section in this Article is incomplete.

“We are grateful to the district health teams in Tivaouane, Mbour, Fatick, Bambey and Niakhar districts, to the communities in those districts, and to the project field staff, for their participation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.”

should read:

“We are grateful to the district health teams in Tivaouane, Mbour, Fatick, Bambey and Niakhar districts, to the communities in those districts, and to the project field staff, for their participation. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. MC acknowledges funding from an MRC Population Health Scientist Fellowship (ref: MR/J012394/1). This award is jointly funded by the UK Medical Research Council (MRC) and the UK Department for International Development (DFID) under the MRC/DFID Concordat agreement and is also part of the EDCTP2 programme supported by the European Union.”