1. Plant Pathology; Institute of Integrative Biology (IBZ); ETH Zürich; Zürich Switzerland
2. Julius Kühn-Institute; Federal Research Centre for Cultivated Plants; Institute for Breeding Research on Fruit Crops; Dresden Germany
3. Julius Kühn-Institute; Federal Research Centre for Cultivated Plants; Institute for Resistance Research and Stress Tolerance; Quedlinburg Germany
4. Agroscope; Institute for Plant Production Sciences; Wädenswil Switzerland