Received: 24 June 2021
Accepted: 10 January 2022
First Online: 14 January 2022
: The Ethics Review Committees of the Society for Applied Studies, Vardhman Mahavir Medical College and Safdarjung Hospital, and the World Health Organization, Geneva have approved the study to be conducted with the relevant guidelines and regulations (e.g. Declaration of Helsinki) Written informed consent was obtained from the study participants.
: Not Applicable.
: The authors declare that they have no competing interests.