1. Department of Internal Medicine & Clinical Nutrition; Institute of Medicine; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
2. Drossman Center for the Education and Practice of Biopsychosocial Care; Professor Emeritus of Medicine and Psychiatry; UNC Center for Functional GI and Motility Disorders; University of North Carolina at Chapel Hill; Chapel Hill NC USA
3. Drossman Gastroenterology PLLC; Chapel Hill NC USA