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Article History

Accepted: 19 September 2023

First Online: 29 September 2023

Declarations

:

: Ethical approval obtained from the institutional ethical committee of Kerala Institute of Medical Sciences, Thiruvanathapuram, held on 13.08.2015. In view of retrospective study, waiver of consent was sanctioned.

: Being a retrospective series and as individual privacy is not breached, consent is not applicable.

: Not appliable.

: The authors declare no competing interests.