Funding for this research was provided by:
Swinburne University of Technology (RDGS GRANT)
Received: 3 November 2018
Accepted: 31 July 2019
First Online: 13 August 2019
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were followed the ethical standards of the institutional and/or national research committee. The study also followed the 1964 Helsinki declaration and its later amendments. The ethics committee of the Swinburne University of Technology Human Ethics Committee (SHR Project 2015/065) has granted the ethical approval. Written informed consent was obtained from all participants included in the study. According to the policy and regulation of the local ethics committee of Bangladesh approval of National Research Ethics Committee (NREC) [CitationRef removed] is not a requirement for research that contributes to academic dissertation/thesis.
: None applicable.
: The authors declare that they have no competing interests.