1. Department of Chemistry, University of Wisconsin, 1101 University
Avenue, Madison, Wisconsin 53706, United States
2. Department of Microbiology
and Immunology, Weill Medical College of Cornell University, New York, New York 10021, United
States
3. Public
Health Research
Institute Center, Department of Microbial Biology and Molecular Genetics, UMDNJ−New Jersey Medical School, Newark, New Jersey 07103, United States