To my beloved father, Inta Narmkaew, my brothers, sister, nephews, and niece for their love and encouragement throughout the period of my study. To my mother and grandmother whom I am unable to meet again, but their love, caring and encourage ment toward my education will always be with me.
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.