1. Unit for Molecular Diagnostics, Genetics and Pathogen Characterisation; Department of Biological Safety; Federal Institute for Risk Assessment; Berlin Germany
2. Chair of Nutrition Physiology and Animal Nutrition; Faculty of Agricultural and Environmental Sciences; University of Rostock; Rostock Germany
3. Animal Nutrition and Dietetics; Department of Veterinary Science; Ludwig-Maximilians-University Munich; Oberschleißheim Germany
4. Group Animal Nutrition; Institute of Agricultural and Nutritional Sciences; Martin-Luther-University Halle-Wittenberg; Halle (Saale) Germany