1. Department of Food Safety, German Federal Institute for Risk Assessment, Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
2. NMI Natural and Medical Sciences Institute, Markwiesenstraße 55, 72770 Reutlingen, Germany
3. SIGNATOPE GmbH, Markwiesenstraße 55, 72770 Reutlingen, Germany