Published on in Vol 9, No 2 (2020): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17863, first published
.
1 Department of Pulmonology and Sleep Medicine, Metro Centre for Respiratory Diseases, Noida, India
2 Department of Chest Medicine, KLS Memorial Hospital, Mumbai, India
*all authors contributed equally