Article History
Received: 20 March 2018
Accepted: 5 April 2018
First Online: 28 April 2018
Compliance with ethical standards
:
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. The study protocol was approved by the Animal Ethics Committee in the College of Medicine, Hail University.
: The author declares that he has no conflict of interest.