1. Julius Kühn-Institut – Federal Research Centre for Cultivated Plants (JKI), Institute for Epidemiology and Pathogen Diagnostics, Messeweg 11-12, 38104 Braunschweig, Germany
2. Technische Universität Braunschweig, Institut für Ökologische und Nachhaltige Chemie, Hagenring 30, 38106 Braunschweig, Germany
3. Institute for Agricultural and Fisheries Research, Technology and Food Science Unit - Food safety, Brusselsesteenweg 370, 9090 Melle, Belgium