1. Institute of Molecular BacteriologyHelmholtz Centre for Infection Research Braunschweig Germany
2. Institute of Molecular Bacteriology, TWINCORE GmbHCenter for Clinical and Experimental Infection Research Hannover Germany
3. Wellcome Sanger Institute Cambridge UK
4. Institute of Immunology, Medical School Hannover Hannover Germany
5. Mouse PathologyAnimal Experimental Unit, Helmholtz Centre for Infection Research Braunschweig Germany
6. MRC Centre for Molecular Bacteriology and Infection (CMBI), Department of Life SciencesImperial College London London UK