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