Abdel-Latif, Ghada A.
Al-Abd, Ahmed M.
Tadros, Mariane G.
Al-Abbasi, Fahad A.
Khalifa, Amany E.
Abdel-Naim, Ashraf B.
Article History
Received: 11 December 2014
Accepted: 17 April 2015
First Online: 9 July 2015
Competing interests
: The authors declare no competing financial interests.