1. Department of Medicine Baylor College of Medicine Houston TX USA
2. Section of Diabetes, Metabolism and EndocrinologyBaylor College of Medicine and Michael E. DeBakey Veterans Affairs Medical Center Houston TX USA
3. Section of GastroenterologyMichael E. DeBakey Veterans Affairs Medical Center Houston TX USA
4. Center for Innovations in Quality, Effectiveness and Safety (IQuESt)Michael E. DeBakey Veterans Affairs Medical Center Houston TX USA
5. Section of Gastroenterology and Hepatology Department of Medicine Baylor College of Medicine Houston TX USA