Affiliation: | Department of Biological Sciences, Program in Ecology and Environmental Science, 5722 Deering Hall, Room 202, University of Maine, Orono, Maine 04469, U.S.A.;Laboratory of Genomic Diversity, FCRDC/NCI, Building 560, Room 1184, Frederick, Maryland 21702-1201, U.S.A.;United States Department of Agriculture, Amityville, New York 11701, U.S.A.;Department of Animal Ecology, Iowa State University, Ames, Iowa 50011, U.S.A. |