1. School of Biomedical and Natural Sciences, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, UK
2. University of Southern California Keck School of Medicine Los Angeles, CA 90027, USA
3. Department of Pathology, Children's Hospital Los Angeles, CA 90027, USA
4. Department of Neurology, Queen's Medical Centre NHS Trust, Nottingham NG7 2UH, UK
5. Bacterial Epidemiology and Antimicrobial Resistance Research Unit, USDA, Agricultural Research Service, 950 College Station Road, Athens, GA 30605, USA