1 Center for Functional GI and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina; Center for Education and Practice of Biopsychosocial Care, Drossman Gastroenterology, Chapel Hill, North Carolina; Rome Foundation, Raleigh, North Carolina USA.
2 Translational Research Center for Gastrointestinal Disorders, University of Leuven, Leuven, Belgium; Rome Foundation, Raleigh North Carolina.