1. Department of Medical Microbiology and Immunology; University of Wisconsin - Madison; Madison 53706 WI USA
2. Department of Postharvest Science of Fresh Produce; Agricultural Research Organization, The Volcani Center; Bet Dagan 50250 Israel
3. Department of Plant Pathology and Weed Research; Agricultural Research Organization, The Volcani Center; Bet Dagan 50250 Israel
4. Department of Food Storage; Agricultural Research Organization, The Volcani Center; Bet Dagan 50250 Israel
5. College of Food Science and Engineering; Gansu Agricultural University; Yinmencun 1 Anning District, Lanzhou 730070 China
6. Department of Bacteriology; University of Wisconsin - Madison; Madison 53706 WI USA