Affiliation: | (1) Department of Microbiology and Immunology, University of California, 90024 Los Angeles, CA, USA;(2) Molecular Biology Institute, University of California, 90024 Los Angeles, CA, USA;(3) Department of Biology, University of Virginia, 22901 Charlottesville, VA, USA;(4) Department of Microbiology and Immunology, University of California, 90024 Los Angeles, CA, USA |