1. Enteric NeuroScience Program; Mayo Clinic; Rochester MN USA
2. Division of Gastroenterology and Hepatology; Mayo Clinic; Rochester MN USA
3. Department of Natural Sciences and Geography; Concordia University Chicago; River Forest IL USA
4. Department of Physiology and Biomedical Engineering; Mayo Clinic; Rochester MN USA
5. Department of Microbiology and Immunology; Stanford University School of Medicine; Stanford CA USA