1. Wound Infections Department, Bacterial
Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
2. Department of Microbial Pathogenesis, University of Maryland School of Dentistry, Baltimore, Maryland 21201, United States
3. Department of Veterinary Medicine, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
4. Department
of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8024, United States