1. Department of Medicine, Division of Infectious Diseases, University of California at Irvine, Irvine, California, USA
2. Department of Microbiology and Molecular Genetics, University of California at Irvine, Irvine, California, USA
3. School of Biological Sciences; University of California at Irvine, Irvine, California, USA
4. Irvine Materials Research Institute; University of California at Irvine, Irvine, California, USA
5. Department of Medicine, Occupational and Environmental Medicine, University of California at Irvine, Irvine, California, USA
6. Department of Medicinal Chemistry, University of Utah College of Pharmacy, Salt Lake City, Utah, USA