1. Department of Pharmaceutical and Administrative Sciences, University of Health Sciences and Pharmacy, St. Louis, Missouri 63110, United States
2. Center for Clinical Pharmacology, Washington University School of Medicine and St. Louis College of Pharmacy, St. Louis, Missouri 63110, United States
3. Department of Medicine, Division of Geriatrics and Nutritional Science, Washington University School of Medicine, St. Louis, Missouri 63110, United States
4. Chemistry Department, Faculty of Science, Benha University, Benha 13518, Egypt