Article History
Received: 27 February 2019
Accepted: 11 June 2019
First Online: 18 July 2019
Compliance with ethical standards
: All the protocols performed were approved (PU/45/99/CPCSEA/IAEC/2018/153) by the Animal Ethical Committee (IAEC) (NIH publications; Rule No. 23-85, as revised in 1985) of Panjab University, Chandigarh, India.
: The authors declare that they have no conflict of interest.