About the Authors

François P. Douillard

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliations Research Program Unit Immunobiology, Medicum, University of Helsinki, Helsinki, Finland, Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland

Diego Mora

Roles Formal analysis, Writing – review & editing

Affiliation Department of Food, Environmental, and Nutritional Sciences (DeFENS), University of Milan, Milan, Italy

Robyn T. Eijlander

Roles Data curation, Formal analysis, Writing – review & editing

Affiliation NIZO, Ede, The Netherlands

Michiel Wels

Roles Data curation, Formal analysis, Writing – review & editing

Affiliation NIZO, Ede, The Netherlands

Willem M. de Vos

Roles Conceptualization, Formal analysis, Supervision, Writing – original draft, Writing – review & editing

willem.devos@wur.nl

Affiliations Research Program Unit Immunobiology, Medicum, University of Helsinki, Helsinki, Finland, Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands

Competing Interests

The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. In addition, we have included all information about the funders of this work and the employment of two of the co-authors in a small company NIZO. This does not alter our adherence to PLOS ONE policies on sharing data and materials.