Musa, and with all of you, it has really been a great pleasure. Finally, during all stages involved in the preparation of this thesis, I am grateful to my family who have never stopped backing me up all my life for their encouragement, understanding, patience and support all through my education.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.