1. Genome Science Group, Los Alamos National Laboratory, Los Alamos, New Mexico 87544
2. Microbial Program, Joint Genome Institute, Walnut Creek, California 94598
3. Physical and Life Sciences, Lawrence Livermore National Laboratory, Livermore, California 94550
4. Instituto de Investigaciones Biotecnologicas, Universidad Nacional de General San Martin (IIB-INTECH-CONICET), Av. Gral. Paz 5445, P.O. Box 30, 1650 San Martin, Buenos Aires, Argentina
5. Center for Applied Biotechnology Studies, Department of Biological Science, California State University Fullerton, Fullerton, California 92831