1 Mathematics and Computer Science Division, Argonne National Laboratory, Argonne, IL, USA.
2 Max Planck Institute for Marine Microbiology, Bremen, Germany.
3 Building Ecology.
4 Department of Computer Science, University of Colorado, Boulder, CO, USA.
5 Davis Genome Center, University of California, Davis, CA, USA.
6 Marine Biological Laboratory, Woods Hole, MA, USA.
7 University of California, Riverside, CA, USA.
8 1] Department of Computer Science, University of Colorado, Boulder, CO, USA [2] Howard Hughes Medical Institute, Chevy Chase, MD, USA.
9 1] Mathematics and Computer Science Division, Argonne National Laboratory, Argonne, IL, USA [2] Institute for Genomics and Systems Biology, Argonne National Laboratory, Argonne, IL, USA.
10 Department of Epidemiology and Public Health, Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA.