Funding for this research was provided by:
Ministry of Science and Technology, Government of the People’s Republic of Bangladesh (39.00.0000.09.02.69.16-17/BS-184/198)
Received: 22 February 2019
Accepted: 30 August 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The study has been taken ethical approval from the Ethical Committee of BUHS, Bangladesh. The registration no is BUHS/BIO/EA/18/11.
: Not applicable.
: The authors declare that they have no competing interests.