Funding for this research was provided by:
Received: 30 March 2021
Accepted: 8 July 2021
First Online: 30 July 2021
: The CNNS received ethical clearance from the Ethical Review Board of the Post Graduate Institute for Medical Education and Research (PGIMER) and the Institutional Review Board of the Population Council in New York. All aspects of the survey were informed, following which written consent was obtained from caregivers of children aged under 5 years.
: All authors reviewed the manuscript and gave consent for publication.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.