1. Department of Plant Protection, College of Agriculture University of Tehran Karaj Iran
2. Department of Plant Pathology, Entomology and Microbiology Iowa State University Ames Iowa USA
3. Department of Plant Pathology University of Nebraska–Lincoln Lincoln Nebraska USA
4. Canadian Food Inspection Agency Charlottetown Laboratory Charlottetown Prince Edward Island Canada
5. Panhandle Research & Extension Center University of Nebraska Scottsbluff Nebraska USA