1. USDA, Wildlife Services, National Wildlife Research Center, 6100 Columbus Avenue, Sandusky, OH 44870 USA
2. USDA, Wildlife Services, O'Hare International Airport, AMC Building, Room 241, Chicago, IL 60666 USA
3. USDA, Wildlife Services, Argonne National Laboratory, 9700 S. Cass Avenue, Lemont, IL 60439 USA
4. USDA, Wildlife Services, 3430 Constitution Drive, Suite 121, Springfield, IL 67211 USA
5. USDA, Wildlife Services, 1714 Commerce Court, Suite C, Columbia, MO 65202 USA