Received: 18 June 2021
Accepted: 12 November 2021
First Online: 27 November 2021
: The present study, including access to the patients’ biological and registry data from the hospital information system, was approved by the Institutional Ethics Committee (ECR/129/Inst/KL/2013/RR-16), India. Since this is a retrospective study, formal consent from patients could not be obtained.
: Not applicable.
: The authors declare that they no competing interests.