Filtering by: Committee Bartell, , Emory University Remove constraint Committee: Bartell, , Emory University Committee Klein, Mitchel, Emory University Remove constraint Committee: Klein, Mitchel, Emory University Graduation year sim 2008 Remove constraint Graduation year sim: 2008 Research Field Health Sciences, Epidemiology Remove constraint Research Field: Health Sciences, Epidemiology Submission Type Dissertation Remove constraint Submission Type: Dissertation