1. Institute of Animal Nutrition, Friedrich-Loeffler-Institut, Braunschweig, Germany
2. Chair of Food Safety and Analytics, Ludwig-Maximilians-Universität München, Oberschleißheim, Germany
3. Department of Food Chemistry and Toxicology, University of Vienna, Austria
4. Department Safety in the Food Chain, German Federal Institute for Risk Assessment, Berlin, Germany
5. Department of Safety and Quality of Milk and Fish Products, Max Rubner-Institut, Kiel, Germany