1. Federal Institute for Risk Assessment, Department of Biological Safety, Berlin, Germany
2. Robert Koch-Institut, ZBS 6, Proteomics and Spectroscopy, Berlin, Germany
3. Robert Koch-Institut, ZBS 1, Highly Pathogenic Viruses, Berlin, Germany
4. Landesamt für Verbraucherschutz Sachsen-Anhalt, Fachbereich Lebensmittelsicherheit, Halle, Germany