Received: 8 June 2020
Accepted: 15 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study was approved by the Research and Ethics Committee of Regional Medical Research Centre (RMRC), Bhubaneswar, Odisha (Ref No. ECR/911/Inst/OR/2017). Research methodology followed was adhered to the tenets of the Declaration of Helsinki. All the participants had given their consent in written before sample collection in their vernacular language.
: Not applicable.
: The authors declare that, there are no conflicts of interest related to this work.