1. Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA.
2. Biological Statistics and Computational Biology, Cornell University, Ithaca, NY 14853, USA.
3. Applied Biosystems, 45 West Gude Drive, Rockville, MD 20850, USA.
4. Protein Informatics, Celera Genomics, 850 Lincoln Centre Drive, Foster City, CA 94404, USA.
5. Celera Genomics, 45 West Gude Drive, Rockville, MD20850, USA.