1. Department of Biochemistry and Molecular Biology Drexel University College of Medicine Philadelphia PA USA
2. Division of Biological Science Nara Institute of Science and Technology Ikoma Japan
3. Department of Microbiology and Molecular Genetics University of California Davis CA USA
4. Department of Pathology Drexel University College of Medicine Philadelphia PA USA
5. Department of Microbiology and Immunology Centers for Genomics Sciences Drexel University College of Medicine Philadelphia PA USA