1. Department of Internal Medicine, Southern Illinois University School of Medicine, Springfield, IL, USA.
2. Department of Medical Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine, Springfield, IL, USA.
3. Dale and Deborah Smith Center for Alzheimer’s Research and Treatment, Department of Neurology, Neurosciences Institute, Southern Illinois University School of Medicine, Springfield, IL, USA.
4. Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL, USA.