1. Enteric NeuroScience Program; Mayo Clinic; Rochester MN USA
2. Department of Medicine; Division of Gastroenterology; Temple University Hospital; Philadelphia PA USA
3. Department of Surgery; Temple University Hospital; Philadelphia PA USA
4. Division of Gastroenterology; University of Louisville; Louisville KY USA
5. Division of Gastroenterology; California Pacific Medical Center; San Francisco CA USA
6. Division of Gastroenterology; University of Michigan Medical Center; Ann Arbor MI USA
7. Division of Gastroenterology; Internal Medicine; Texas Tech University Health Sciences Center; El Paso TX USA
8. Division of Gastroenterology; Stanford University; Stanford CA USA
9. Wake Forest University Health Sciences; Winston-Salem NC USA
10. Johns Hopkins University; Baltimore MD USA
11. National Institute of Diabetes and Digestive and Kidney Diseases; Bethesda MD USA
12. Department of Surgery; Mayo Clinic; Rochester MN USA
13. Johns Hopkins Bayview Medical Center; Baltimore MD USA
14. Division of Gastroenterology; Mayo Clinic; Rochester MN USA