Funding for this research was provided by:
Ministry of Health and Family Welfare (MoHFW), Govt. of Bangladesh
Text and Data Mining valid from 2020-01-15
Received: 20 August 2019
Accepted: 2 January 2020
First Online: 15 January 2020
Ethics approval and consent to participate
: This study was approved by the National Ethics Research Committee (NERC) of Bangladesh Medical Research Council (BMRC). Registration no # 102 03 04 2018.
: All the participants described in this article provided written informed consent for participation in the study and for publication of the results. All the authors have read and approved the paper for publication.
: The authors declare that they have no competing interests.