Hasona, Nabil A.
Article History
Received: 5 March 2017
Accepted: 11 April 2017
First Online: 26 April 2017
Compliance with ethical standards
: All participants provided informed consent for our study. Our study was carried out in accordance with the Helsinki Declaration, and institutional ethics committee approval was obtained from the College of Medicine, Hail University, KSA.
: The author declares that he has no conflict of interest.
: The author declares that he has received no funding for the research reported.