Published on in Vol 6, No 4 (2020): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://www.medrxiv.org/content/10.1101/2020.07.03.20146167v1, first published
.
1 Department of Community Medicine and Family Medicine, All India Institute of Medical Sciences, Jodhpur, India
2 All India Institute of Medical Sciences, Jodhpur, India