1. Department of Medicine; University of Missouri; Columbia Missouri USA
2. Research Service, Harry S Truman Memorial Veterans Affairs Hospital; Columbia Missouri USA
3. Obesity Research Center; College of Medicine, King Saud University; Riyadh Saudi Arabia
4. Department of Pharmacology and Physiology; Georgetown University; Washington DC USA
5. College of Pharmacy; Nova Southeastern University; Fort Lauderdale Florida USA
6. Department of Nutrition and Exercise Physiology; University of Missouri; Columbia Missouri USA