Received: 26 November 2021
Accepted: 3 February 2022
First Online: 16 February 2022
: Ethics approval was sought from the Research Ethics Board of Health vide order (REBH/approval/2020 × 10) dated 21<sup>st</sup> March 2021; administrative approval was sought from the Ministry of Health and the hospital administration. Informed consent to participate was waived off by REBH as this was a retrospective study with a review of hospital records.
: Not applicable.
: The authors declare that there are no competing interests.