Affiliation: | (1) Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA;(2) Present address: Genomic Profiling Systems, Bedford, MA 01730, USA;(3) Present address: Department of Biology, University of South Florida, Tampa, FL 33620, USA;(4) Present address: Department of Biochemistry, Microbiology, and Molecular Biology, University of Maine, Orono, ME 04469, USA; |