Subramanyeshwar Rao, T.
Raju, KVVN
Gupta, Vikas
Rajagopalan Iyer, R. http://orcid.org/0000-0002-2178-134X
Article History
Received: 23 July 2020
Accepted: 9 November 2020
First Online: 5 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest and nothing to disclose.
: The data of the present study were collected in the course of common clinical practice, and accordingly, the signed informed consent was obtained from each patient for any surgical and clinical procedure. The study protocol was in accordance with the ethical standards of the institutional research committee and the 1964 Helsinki Declaration and its later amendments. Because this was a retrospective study, formal consent for this study is not required and no approval of the institutional research committee was needed.