Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1008048)
Received: 14 June 2018
Accepted: 28 January 2019
First Online: 7 February 2019
Ethics approval and consent to participate
: The study was approved by the ethics committees of Xavier Institute of Management, Bhubaneswar (ref no. 31052010) and the London School of Hygiene and Tropical Medicine (ref no. 5562). Each resident was approached, given a detailed verbal overview of the project in addition to an information sheet, and asked if they would like to participate in the study. Household consent was obtained before any work was undertaken.
: Not applicable.
: The authors declare that they have no competing interests.
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