Elnakady, Yasser A.
Rushdi, Ahmed I.
Franke, Raimo
Abutaha, Nael
Ebaid, Hossam
Baabbad, Mohannad
Omar, Mohamed O. M.
Al Ghamdi, Ahmad A.
Article History
Received: 17 October 2016
Accepted: 16 December 2016
First Online: 6 February 2017
Competing interests
: The authors declare no competing financial interests.