1. Microbial Physiology and Genetics Group, BioCentrum, Technical University of Denmark, DK-2800 Lyngby, Denmark
2. Microbiologie et Génétique Moléculaire, CNRS/INRA/INA-PG, 78850 Thierval-Grignon, France
3. Inflammatory and Infectious Disease Center, The Burnham Institute, 10901 North Torrey Pines Road, La Jolla, California 92037
4. Fellowship for the Interpretation of Genomes, Center for Microbial Sciences, San Diego State University, San Diego, California 92182