Author contributions:
Mouhammad Kanj: Concept/design, Data analysis/interpretation, Drafting
article, Critical revision of article, Data collection.
Dany Chawbah: Concept/design, Data analysis/interpretation, Data
collection.
Anis Nassar: Data analysis/interpretation, Data collection.
Ziad Mansour: Concept/design, Data analysis/interpretation, Drafting
article, Critical revision of article, Approval of article, Data
collection.