Article History
Received: 22 September 2020
Accepted: 8 December 2020
First Online: 25 January 2021
Compliance with ethical standards
:
: The authors declare that they have no competing interest in the study conducted.
: Ethical approval was waived by the local Ethics Committee of Sree Narayana Medical College, Cochin in view of the retrospective nature of the study and all the procedures being performed were part of the routine care.