1. Spanish–Portuguese Center for Agricultural Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, Campus of Villamayor, 37185 Salamanca, Spain
2. Department of Genetics, Faculty of Biology, University of Seville, PO Box 1095, 41080 Seville, Spain
3. Department of Statistics, Faculty of Sciences, University of Salamanca, 37008 Salamanca, Spain
4. Department of Plant Pathology and Microbiology, Faculty of Agricultural, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel