*Dept of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA; †LimnoTech, Ann Arbor, MI, USA; ‡Dept of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA; §Dept of Civil and Environmental Engineering, University of Michigan College of Engineering, Ann Arbor, MI, USA; and ¶ Institute for Social Research, University of Michigan, Ann Arbor, MI, 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.