Affiliation: | 1. Department of Microbiology and Immunology, Finch University of Health Sciences/Chicago Medical School (now Rosalind Franklin University), 3333 Green Bay Road, North Chicago, Illinois 60064-3095, USA;2. Current address: Microbiology Department, School of Medicine, Ankara University, Sihhiye-Ankara, Turkey;3. Current address: 3802 Sagamore Drive, Greensboro, NC 27410, USA |