1 Department of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC, United States; Department of Internal Medicine, Joan C Edwards School of Medicine, Marshall University, Huntington, WV, United States; School of Social Work, University of Washington, Seattle, WA, United States.
2 Professor Emeritus of Medicine and Psychiatry, University of North Carolina, Chapel Hill, NC, United States; Center for Education and Practice for Biopsychosocial Care and Drossman Gastroenterology, Chapel Hill, NC, United States; President Emeritus and COO, Rome Foundation, Raleigh, NC, United States.
3 Department of Psychological Sciences, Swinburne University of Technology, Melbourne, Australia; Department of Gastroenterology and Hepatology, Royal Melbourne Hospital, Melbourne, Australia. Electronic address: sknowles@swin.edu.au.