Funding for this research was provided by:
European Union One Health Program in Asia (EuropeAid/133708/C/ACT/Multi; Contract 29 DCI-ASIE/2013/331-217)
Received: 25 October 2019
Accepted: 27 February 2020
First Online: 6 March 2020
Ethics approval and consent to participate
: The study was approved by Research Ethics Board of Health (REBH), Ministry of Health, vide approval letter No. REBH/Approval/2016/001. Informed written consent was obtained from all participants or his/her guardian in the case of children less than 18 years of age.
: Not applicable.
: All authors declare that there is no conflict of interests.