1. Laboratory of MicrobiologyWageningen UniversityStippeneng 4Wageningen WE6708 The Netherlands
2. Technische Universität München, ZIEL Institute for Food and HealthFreising85354 Germany
3. Department of Veterinary Biosciences, Division of Microbiology and EpidemiologyUniversity of HelsinkiHelsinki00014 Finland
4. Department of Food and Environmental SciencesUniversity of HelsinkiHelsinki00014 Finland
5. DNA Sequencing and Genomics Laboratory, Institute of Biotechnology, University of HelsinkiHelsinki Finland
6. RPU Immunobiology, Department of Bacteriology and ImmunologyFaculty of Medicine University of HelsinkiHelsinki00014 Finland.