1. Department of Biological Sciences1 and School of Computer Science2, Florida International University, Miami, FL 33199, USA 3Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA 23298, USA 4Section of Molecular Microbiology, The Technical University of Denmark, DK-2800 Lyngby, Denmark 5Department of Clinical Microbiology, University Hospital of Copenhagen, DK-2100 Copenhagen, Denmark