Funding for this research was provided by:
Received: 11 April 2021
Accepted: 29 November 2021
First Online: 15 December 2021
: The study received ethical approvals by the institutional ethics committees of each participating institution (Lady Hardinge Medical College & Associated Kalawati Saran Children’s Hospital, New Delhi: LHMC/IEC/2020/37 dated 30.06.2020; All India Institute of Medical Science, Bhopal, Madhya Pradesh: LOP/2020/EF0209 dated 09.09.2020; All India Institute of Medical Science, Raipur, Chhattisgarh: 895/IEC-AIIMSRPR/2020 dated 10.02.2020; National Health Mission, Odisha dated 21.05.2020; ICMR-NIN, Telengana dated 18.09.2020 and Rajendra Institute of Medical Science, Ranchi, Jharkhand: Letter No. 56 Dated 03.06.2020.)Written informed consent will be obtained from caregivers of the study participants.
: Not Applicable.
: The authors declare that they have no competing interests.