Funding for this research was provided by:
Received: 27 February 2018
Accepted: 21 August 2018
First Online: 29 October 2018
: Handling of the animals was done according to the requirements mentioned in “Guidelines for the care and use of laboratory animals 8<sup>th</sup> edition”. Prior approval of the ethical review committee of Ziauddin University was taken before starting this research study.
: Not applicable
: The authors declare that they have no competing interests.
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