Received: 4 October 2021
Accepted: 24 November 2021
First Online: 30 November 2021
: Before performing this study, ethical approval was taken from the institutional ethical committee of Aga Khan University Hospital (ERC # 2020-5150-11679) and informed consent from a parent or guardian for participants was waived by ERC as all the data was collected retrospectively.
: The institutional Ethical Review Committee (ERC) and waived the need for written informed consent for this study.
: The authors declare that they have no competing interests.