1. Great Lakes Toxicology and Ecology Division US Environmental Protection Agency Duluth Minnesota USA
2. Ecosystem Processes Division US Environmental Protection Agency Athens Georgia USA
3. Great Lakes Toxicology and Ecology Division General Dynamics Information Technology Duluth Minnesota USA
4. Math, Science, and Technology Department University of Minnesota–Crookston Crookston Minnesota USA
5. Great Lakes Toxicology and Ecology Division Badger Technical Services Duluth Minnesota USA