[1] Tech Univ Denmark, Natl Food Inst, Res Grp Genom Epidemiol, Lyngby, Denmark
[2] Tech Univ Denmark, Natl Food Inst, Res Grp Food Microbiol & Hyg, Lyngby, Denmark
[3] Publ Hlth England, Natl Infect Serv, London, England
[4] Ludwig Maximilians Univ Munchen, Chair Food Safety & Analyt, Munich, Germany
[5] Univ Wisconsin, Madison, WI USA
[6] Masaryk Univ, Dept Publ Hlth, Med Fac, Brno, Czech Republic
[7] Univ Zaragoza, Zaragoza, Spain
[8] Univ Vermont, Burlington, VT USA
[9] Ist Zooprofilatt Sperimentale Abruzzo & Molise G C, Teramo, Italy
[10] Arla Foods Amba, Arla Innovat Ctr, Aarhus, Denmark
[11] German Fed Inst Risk Assessment BfR, Natl Reference Lab Listeria Monocytogenes NRL Lm, Berlin, Germany
[12] Austrian Agcy Hlth & Food Safety AGES, Inst Med Microbiol & Hyg, Natl Reference Lab Listeria Monocytogenes, Graz, Austria
[13] Oregon State Univ, Food Innovat Ctr, Portland, OR USA
[14] Bur Microbial Hazards, Food Directorate, Listeriosis Reference Serv, Ottawa, ON, Canada
[15] Univ Vet Med, Inst Food Safety Food Technol & Vet Publ Hlth, Unit Food Microbiol, Vienna, Austria
[16] Univ Ljubljana, Inst Microbiol & Parasitol, Vet Fac, Ljubljana, Slovenia
[17] Norwegian Inst Food & Aquaculture Res, Fisheries & Aquaculture Res, As, Norway
[18] North Carolina State Univ, Raleigh, NC USA
[19] Univ Zurich, Inst Food Safety & Hyg, Vetsuisse Fac, Zurich, Switzerland