1. Information Technology Center, The MITRE Corporation, Bedford, Massachusetts.
2. Microbial Genomics Group, Max Planck Institute for Marine Microbiology and Jacobs University Bremen, 28359 Bremen, Germany.
3. Center For Microbial Ecology, Michigan State University, East Lansing, Michigan.
4. Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, Berkeley, California.
5. Department of Energy, Joint Genome Institute, 2800 Mitchell Drive, Walnut Creek, California.
6. School of Computer Science, University of Manchester, Oxford Road, Manchester, United Kingdom.
7. Institute for Genome Sciences and Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, HSFI, 685 West Baltimore Street, Baltimore, Maryland.
8. NERC Centre for Ecology and Hydrology, Mansfield Road, Oxford, Oxfordshire, United Kingdom.