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History
- May 1, 2015.
Copyright
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC 4.0 International license.
Author Information
- 1Department of Biology, University of North Carolina at Chapel Hill
- 2US National Evolutionary Synthesis Center
- 3Center for Genomic and Computational Biology, Duke University
- 4Department of Biology, University of South Dakota
- ↵5Author for correspondence. Campus Box 3280, Chapel Hill, NC 27599, USA; email: tjv{at}bio.unc.edu; telephone: 919.962.4479; fax: 919.962.1625.