1. Earth & Life Institute, Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium;
2. Istituto di Virologia Vegetale, CNR, 10135 Torino, Italy
3. INRA-UDS, UMR 1131, Santé de la Vigne et Qualité du Vin, F-68021 Colmar, France
4. Université de Strasbourg, UMR 1131, Santé de la Vigne et Qualité du Vin, 68021 Colmar, France
5. Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus Bellaterra, Cerdanyola del Valles, 08193 Barcelona, Spain
6. Cell and Molecular Sciences, The James Hutton Institute, Invergowrie, Dundee DD2 5DA, Scotland, United Kingdom
7. Laboratory of Virology, Department of Plant Sciences, WUR, 6700 AP Wageningen, The Netherlands
8. Degree Program of Biotechnology and Food Technology, Turku University of Applied Sciences and Department of Virology, University of Turku, 20520 Turku, Finland