1. Center for Microbial Genetics and Genomics, Northern Arizona University, Flagstaff, Arizona, USA
2. Bioscience Division, Los Alamos National Laboratory, Los Alamos New Mexico, USA
3. Pathogen Genomics Division, Translational Genomics Research Institute, Flagstaff, Arizona, USA
4. Centre for Applied Microbiology and Research, Porton Down, Salisbury, United Kingdom