Filtering by: Committee Endy, Timothy, SUNY Upstate Medical University Remove constraint Committee: Endy, Timothy, SUNY Upstate Medical University Committee McGowan Jr., John E, Emory University Remove constraint Committee: McGowan Jr., John E, Emory University Department Epidemiology Remove constraint Department: Epidemiology Year 2012 Remove constraint Year: 2012 School Laney Graduate School Remove constraint School: Laney Graduate School Submission Type Dissertation Remove constraint Submission Type: Dissertation