1 Host-Pathogen Interaction Study Group, University of Angers and University of Brest, Angers, France; Federative Structure of Research, Cellular Interactions and Therapeutic Applications, University of Angers, Angers, France.
2 Institute of Microbiology, Department of Laboratory, Lausanne University Hospital, Lausanne, Switzerland. Electronic address: dominique.sanglard@chuv.ch.