Received: 19 June 2021
Accepted: 5 November 2021
First Online: 23 November 2021
: A written consent was taken from all the patients prior to their recruitment; they were also apprised about the ongoing study, which was approved by Institutional Ethical Clearance Committee of Sher-I-Kashmir Institute of Medical Sciences Srinagar, India vide order No. SIMS 1 131/IEC-SKIMS/2016–133. A written pre-informed consent was obtained from all cases and controls.
: All authors have approved the manuscript for submission and possible publication.
: The authors declare that there is no conflict of interests in the form of financial and personal relationships with other people or organizations that could lead to any kind of bias.