Article History
Received: 5 December 2019
Accepted: 8 August 2020
First Online: 15 August 2020
Compliance with ethical standards
: The study was approved by the Institutional Ethics Committee (IEC) (approval no: 61), Punjabi University, Patiala, and was conducted in accordance with “Ethical guidelines for biomedical research on human participants” issued by Indian Council of Medical Research (ICMR).
: All authors declare that they have no conflicts of interest.