| Affiliation: | 1. Division of Gastroenterology and Hepatology, Mayo Clinic, , Rochester, MN, USA;2. Drossman Gastroenterology, PLLC, UNC Center for Functional GI and Motility Disorders, , Chapel Hill, NC, USA;3. Department of Palliative Care, Freiburg University Medical Center, , Freiburg, Germany;4. PRA Health Sciences, , Salt Lake City, UT, USA;5. Department of Supportive and Palliative Care, The Royal Surrey County Hospital, , Guildford, Surrey, UK;6. Department of Neurological Sciences, University of Vermont College of Medicine, , Burlington, VT, USA |
