1. Clinical Enteric Neuroscience Translational and Epidemiological Research (C.E.N.T.E.R.); Division of Gastroenterology and Hepatology; Mayo Clinic; Rochester MN USA
2. Immunochemistry Core Laboratory; Center for Clinical and Translational Research; Mayo Clinic; Rochester MN USA
3. Division of Biomedical Statistics and Informatics; Department of Health Sciences Research; Mayo Clinic; Rochester MN USA
4. Department of Laboratory Medicine and Pathology; Mayo Clinic; Rochester MN USA