1. Department of Gastroenterology, Tel-Aviv Medical Center, Tel-Aviv, Israel and Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
2. University of North Carolina, Center for Functional GI and Motility Disorders, Drossman Center for the Education and Practice of Biopsychosocial Care LLC, Drossman Gastroenterology PLLC Chapel Hill, NC, USA