Received: 24 June 2020
Accepted: 21 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: Ethical approval was from the Institutional ethical committee of Post Graduate Institute of Medical Education and Research. The reference number is NK/3943/DM.Written consent to participate in the study was taken from individual patient’s guardian.
: Obtained from guardians of the individual patient.
: The authors declare that they have no competing interests.