1. Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, U.S.A.
2. Department of Microbiology, The Ohio State University, Columbus, OH 43210, U.S.A.
3. Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH 43210, U.S.A.
4. Institute of Human Virology and Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, U.S.A.
5. Center for Microbial Interface Biology, The Ohio State University, Columbus, OH 43210, U.S.A.
6. Public Health Preparedness for Infectious Diseases Program, The Ohio State University, Columbus, OH 43210, U.S.A.