Filtering by: Committee chair name sim Hegtvedt, Karen A, Emory University Remove constraint Committee chair name sim: Hegtvedt, Karen A, Emory University Committee Brennan, Patricia, Emory University Remove constraint Committee: Brennan, Patricia, Emory University Committee Griffiths, Elizabeth A, Emory University Remove constraint Committee: Griffiths, Elizabeth A, Emory University Submission Type Dissertation Remove constraint Submission Type: Dissertation