Received: 22 September 2020
Accepted: 24 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: This trial has been approved by the Institutional Ethics Committee of AIIMS, Rishikesh on 30/05/2020 with reference no. 218/IEC/IM/NF/2020. Written informed consent is being obtained from all participants.
: Not applicable
: The authors declare that they have no competing interests.