1. Department of Internal Medicine; Texas Tech University Health Sciences Center; El Paso; TX; USA
2. Department of Medicine; Division of Gastroenterology; Beth Israel Deaconess Medical Center; Boston; MA; USA
3. Department of Gastroenterology and Hepatology; University of Kansas Medical Center; Kansas City; KS; USA
4. Department of Gastroenterology; Delta Research Partners; Monroe; LA; USA
5. Department of Clinical Medicine (Endocrinology and Diabetes); Aarhus University Hospital; Aarhus; Denmark
6. Clinical Research Department; Tranzyme Inc.; Durham; NC; USA