1. Quantitative Fisheries Center, Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, USA
2. U.S. Fish and Wildlife, Green Bay Fish and Wildlife Conservation Office, New Franken, Wisconsin, USA
3. U.S. Geological Survey, Ann Arbor, Michigan, USA
4. Wisconsin Cooperative Fishery Research Unit, College of Natural Resources, University of Wisconsin-Stevens Point, Stevens Point, Wisconsin, USA
5. School of Freshwater Science, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA
6. Department of Natural Resources, Northland College, Ashland, Wisconsin, USA
7. U.S. Geological Survey, Ashland, Wisconsin, USA
8. U.S. Geological Survey, Oswego, New York, USA