1. Department of Nutrition Science; Purdue University; West Lafayette Indiana
2. Department of Nutrition and Exercise Physiology; University of Missouri; Columbia Missouri
3. Research Service; Harry S Truman Memorial Veterans Hospital; Columbia Missouri
4. Department of Clinical Medicine; University of Dublin; Dublin Ireland
5. School of Biological Sciences; Dublin Institute of Technology; Dublin Ireland
6. Division of Gastroenterology and Hepatology; Department of Medicine; University of Missouri; Columbia Missouri