1. Molecular and Environmental Toxicology Center, University of Wisconsin at Madison, Medical Sciences Center, 1300 University Avenue, Madison, Wisconsin 53706
2. US Forest Service, Northern Research Station, Center for Forest Mycology Research, One Gifford Pinchot Drive, Madison, Wisconsin 53726
3. Symbiology LLC, Middleton, Wisconsin 53562
4. US Geological Survey, National Wildlife Health Center, 6006 Schroeder Road, Madison, Wisconsin 53711