1. Microbiology & Molecular Genetics, Michigan State University, East Lansing, Michigan.
2. Center for Microbial Ecology, Michigan State University, East Lansing, Michigan.
3. NERC Centre for Ecology and Hydrology, Oxford, United Kingdom.
4. U.S. Department of Energy Joint Genome Institute, Walnut Creek, California.
5. Information Technology Center, The MITRE Corporation, Bedford, Massachusetts.
6. EMBL—European Bioinformatics Institute, Cambridge, United Kingdom.
7. Institute for Genome Sciences and Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Maryland.
8. Microbial Genomics Group, Max Planck Institute for Marine Microbiology, Bremen, Germany.
9. Seattle Children's Hospital Research Institute, Seattle, Washington.
10. Division of Biomedical and Health Informatics, Department of Medical Education and Biomedical Information, University of Washington, Seattle, Washington.
11. Department of Terrestrial Microbial Ecology, Netherlands Institute of Ecology, Centre for Terrestrial Ecology, ZT, The Netherlands.
12. Department of Marine Sciences, University of Georgia, Athens, Georgia.
13. Center for Biological Sequence Analysis, The Technical University of Denmark, Lyngby, Denmark.