Funding for this research was provided by:
Department for International Development (UKaid from the UK government)
Article History
Received: 22 January 2018
Accepted: 5 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: OPM Ethical Review Committee (ERC) reviewed and approved this research project. Local institutional approval was obtained from Pakistan Bureau of Statistics (PBS). All the respondents provided informed consent prior to data collection.
: Not applicable.
: The authors declare that they have no competing interests.