Published on in Vol 6 , No 2 (2021) :Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23808, first published
.

1 Postgraduate Institute of Medical Education and Research, Chandigarh, IN
2 Mahatma Gandhi Medical College and Research Institute, Puducherry, IN
3 All India Institute of Medical Sciences, New Delhi, IN
*all authors contributed equally