Competing interests
The authors declare that they have no competing interest.
Authors’ contribution
GM, LB and RM drafted the paper. GM conducted data analysis. GM, RM and DEM designed the survey and overviewed its implementation. RIS and NN provided technical review for survey design and reviewed the paper. All authors read and approved the final manuscript.
Acknowledgements
Primary financial support for this research was provided by the US Agency for International Development (USAID).
We would like to thank Octavery Kamil for providing comments for this manuscript.