Acknowledgement
UN, SK, JB, SJ, VS, GB conceptualized and wrote the manuscript. UN, SK, JB revised the text and all approved the final manuscript. SK thanks ICMR, Delhi (Ref. no. 3/2/3/12/2019/NCDIII), for the ICMR- Research Associate Fellowship. Lastly, we would like to pay our tribute to all frontline medical professionals who are working tirelessly to bring the COVID-19 pandemic under control.
Conflict of interest: No, there are no competing interests