1. Julius Kühn-Institut - Federal Research Centre for Cultivated Plants (JKI); Institute for Epidemiology and Pathogen Diagnostics; Braunschweig Germany
2. Aquatic Ecology and Water Quality Management; Wageningen University; Wageningen The Netherlands
3. Soil Science and Ecology; Institute of Crop Science and Resource Conservation; University of Bonn; Bonn Germany
4. Institute of Bio- and Geosciences 3, Agrosphere; Forschungszentrum Jülich GmbH; Jülich Germany