1. Julius Kuehn‐Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Plant Protection in Horticulture and Forests, Vertebrate Research Münster Germany
2. Rodent Research Consultant Warendorf Germany
3. Julius Kuehn‐Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Crop and Soil Science Braunschweig Germany