Hussein, Salma H.
Wahedi, Tayba S.
Johani, Naji Al
Hakami, Yasser A.
Alzahrani, Kamal
AlMalki, Mussa H.
Article History
Received: 9 February 2018
Accepted: 28 March 2018
First Online: 7 May 2018
Compliance with ethical standards
: The study was approved by the research ethics committee of the KFMC research centre.
: The authors declare that they have no conflict of interest.