1. Institut Pasteur, National Reference Center and WHO Collaborating Center for Listeria, Paris, France
2. Institut Pasteur, Biology of Infection Unit, Paris, France
3. Inserm U1117, Paris, France
4. Université Paris Diderot, Sorbonne Paris Cité, Paris, France
5. Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
6. Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
7. Paris Descartes University, Sorbonne Paris Cité, Institut Imagine, Necker-Enfants Malades University Hospital, Division of Infectious Diseases and Tropical Medicine, APHP, Paris, France