1. Department of Energy, Joint Genome Institute, Walnut Creek, California 94598
2. Department of Pathology, Center for Biodefense and Emerging Infectious Diseases and Sealy Center for Vaccine Development, University of Texas Medical Branch, Galveston, Texas 77555
3. Lawrence Livermore National Laboratory, Livermore, California 94550
4. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831