Received: 15 January 2021
Revised: 23 January 2021
Accepted: 23 January 2021
First Online: 16 February 2021
Ethics approval and consent to participate
: The project was approved by the Institutional Ethical Clearance (IEC) Committee of Indian Council of Medical Research - National Institute of Research in Tribal Health (ICMR -NIRTH), Jabalpur, New Delhi bearing reference no. 201,701/10.
: All authors have given their consent for publication.
: The authors declare that they have no competing interests.
: The views represented by the author—Suman L. Wattal are solely in her personal capacity and do not necessarily reflect the views of NVBDCP, New Delhi.