1Department of Agricultural, Food and Nutritional Science, Edmonton, Alberta, Canada
2Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
3Division of Gastroenterology, University of Bologna, Bologna, Italy; University of L'Aquila, L'Aquila, Italy
4Division of Gastroenterology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
5Division of Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
Reprint requests and correspondence: Richard N. Fedorak, M.D., Division of Gastroenterology, University of Alberta, Suite 205 College Plaza, 8215–112 Street, Edmonton, Alberta, Canada T6G 2C8.
Received November 9, 2004; accepted January 19, 2005.