Chaar, Emile Abou
Hallit, Souheil
Hajj, Aline
Aaraj, Racha
Kattan, Joseph
Jabbour, Hicham
Khabbaz, Lydia Rabbaa
Article History
Received: 5 September 2017
Accepted: 30 January 2018
First Online: 16 February 2018
Compliance with ethical standards
: The study protocol was approved by the ethics committee of Saint Joseph University in Beirut (reference number USJ-2015-30) and made in accordance with the ethical standards laid down in the declaration of Helsinki.
: The authors declare that they have no conflict of interest.