1. DLR Rheinpfalz Institute of Plant Protection Neustadt a. d. Weinstraße Germany
2. Department of Plant Protection, Faculty of Agrobiology, Food, and Natural Resources Czech University of Life Sciences Prague Prague Czech Republic
3. Ecology, Diagnostics and Genetic Resources of Agriculturally Important Viruses, Fungi and Phytoplasmas Crop Research Institute Prague Czech Republic
4. Emeritus Faculty Australian National University Canberra Australian Capital Territory Australia
5. State Institute of Viticulture and Enology Freiburg Germany