Abstract
1 Department of Medicine, University of California, Los Angeles School of Medicine, Los Angeles, CA, USA
2 Research Service, Veterans Affairs Medical Center West Los Angeles, Los Angeles, CA, USA
3 Schools of Food Science and Engineering and of Medical Technology, Jiangsu University, Zhenjiang, PR China
4 Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles School of Medicine, Los Angeles, CA, USA
5 Infectious Diseases Section, Veterans Affairs Medical Center West Los Angeles, Los Angeles, CA, USA