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Article History

Received: 17 June 2020

Revised: 6 October 2020

Accepted: 9 October 2020

First Online: 18 January 2021

Compliance with ethical standards

:

: The authors declare that they have no conflicts of interest.

: Ethical approval was waived by the local Ethics Committee of Aster CMI Hospital in view of the retrospective nature of the data presented in pre-COVID times, and all the procedures being performed were part of the routine care and care being taken to conceal patient identity.

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