1. Department of Microbiology, Immunology, and Parasitology and Center of Excellence in Oral and Craniofacial Biology, Louisiana State University Health Sciences Center, New Orleans, Louisiana
2. Department of Microbiology, University of Illinois, Urbana, Illinois
3. Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama
4. Department of Microbiology and Immunology, Witebsky Center for Microbial Pathogenesis and Immunology, University at Buffalo, Buffalo, New York