1. Area of Microbiology; Universitary School of Agricultural Engineers. University of León; Ponferrada Spain
2. Department of Organic Chemistry Faculty of Sciences; University of Cádiz; Puerto Real Spain
3. Mycotoxin Prevention and Applied Microbiology Research Unit, USDA/ARS; National Center for Agricultural Utilization Research; Peoria IL USA
4. Research Group of Engineering and Sustainable Agriculture; Natural Resources Institute, University of León; León 24071 Spain
5. Spanish-Portuguese Centre of Agricultural Research (CIALE), Department of Microbiology and Genetics; University of Salamanca; Salamanca Spain