1. West Virginia University Research Corporation 886 Chestnut Ridge Road Morgantown West Virginia 26505 USA
2. U.S. Geological Survey National Fish Health Research Laboratory Leetown Science Center 11649 Leetown Road Kearneysville West Virginia 25430USA
3. Pennsylvania Fish and Boat Commission Division of Fisheries Management 1601 Elmerton Avenue Harrisburg Pennsylvania 17110 USA
4. Pennsylvania Department of Environmental Protection Rachel Carson State Office Building, 400 Market Street Harrisburg Pennsylvania 17101 USA
5. U.S. Geological Survey Columbia Environmental Research Center 4200 New Haven Road Columbia Missouri 65201 USA
6. U.S. Geological Survey New Jersey Water Science Center 3450 Princeton Pike, Suite 110 Lawrenceville New Jersey 08648 USA