1. Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, Maryland
2. Maryland Department of Natural Resources, Annapolis, Maryland, USA
3. Delaware Division of Fish and Wildlife, Dover, Delaware, USA
4. U.S. Geological Survey, Eastern Ecological Science Center, Kearneysville, West Virginia, USA
5. National Marine Fisheries Service, Office Habitat Conservation, Oxford, Maryland, USA