*Ohio State University, Columbus, OH, USA; †U.S. EPA NRMRL, Cincinnati, OH, USA; ‡U.S. EPA NERL, Research Triangle Park, NC, USA; and §University of Missouri, Columbia, MO, USA.
Abstracts published in Epidemiology have been reviewed by the organizations of Epidemiology. Affliate Societies at whose meetings the abstracts have been accepted for presentation. These abstracts have not undergone review by the Editorial Board of Epidemiology.