Filtering by: Committee Johnson, Brent, Emory University Remove constraint Committee: Johnson, Brent, Emory University Committee Kang, Jian , Emory University Remove constraint Committee: Kang, Jian , Emory University Committee Kramer, Michael R, Emory University Remove constraint Committee: Kramer, Michael R, Emory University Graduation year sim 2013 Remove constraint Graduation year sim: 2013 Submission Type Dissertation Remove constraint Submission Type: Dissertation