1. Department of Microbiology University of Alabama at Birmingham Birmingham AL USA
2. Comprehensive Diabetes Center University of Alabama at Birmingham Birmingham AL USA
3. Department of Chemistry University of Alabama at Birmingham Birmingham AL USA
4. Center for Nanoscale Materials and Biointegration University of Alabama at Birmingham Birmingham AL USA
5. Department of Medicine Division of Endocrinology Diabetes and Metabolism University of Alabama at Birmingham Birmingham AL USA
6. Department of Surgery Alberta Diabetes Institute University of Alberta Edmonton AB Canada