1. Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, Ghent 9000, Belgium
2. Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, 11340, Mexico
3. Laboratory of Medical Microbiology, Institute of Experimental and Clinical Research, Université Catholique de Louvain, Brussels 1200, Belgium