Vital-IT Group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland.|Vital-IT Group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland.|Institute of Microbiology, University Hospital and University of Lausanne, CH-1015 Lausanne, Switzerland.|Institute of Microbiology, University Hospital and University of Lausanne, CH-1015 Lausanne, Switzerland.|Institute of Microbiology, University Hospital and University of Lausanne, CH-1015 Lausanne, Switzerland.|Vital-IT Group, SIB Swiss Institute of Bioinformatics, CH-1015 Lausanne, Switzerland.