1. Produce Safety & Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, 800 Buchanan Street, Albany, California 94710, United States
2. OniPro Biosciences, Kensington, California 94707, United States
3. CIMUS Biomedical Research Institute & Department of Medical Sciences, University of Santiago de Compostela−IDIS, 15782 Santiago de Compostela, Spain