1. Departments of Microbiology and Pediatrics, 658 Bevill Biomedical Sciences Building; University of Alabama at Birmingham; Birmingham AL 35294
2. Department of Microbiology, 654 Bevill Biomedical Sciences Building; University of Alabama at Birmingham; Birmingham AL 35294
3. Department of Immunology; Landspitali University Hospital and Faculty of Medicine, University of Iceland, Hringbraut; 101 Reykjavik Iceland