1. Oak Ridge Institute for Science and Education (ORISE) Fellow C/o U.S. Environmental Protection Agency, Corvallis, Oregon, USA
2. Center for Environmental Measurement and Modeling, U.S. Environmental Protection Agency, Cincinnati, Ohio, USA
3. Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Corvallis, Oregon, USA
4. Region 10, Alaska Operations Office, U.S. Environmental Protection Agency, Anchorage, Alaska, USA