1 Division of Gastroenterology, University of Montreal Hospital Center, Montreal, Quebec, Canada.
2 Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana.
3 Department of Veterans Affairs Medical Center, White River Junction, Vermont; The Geisel School of Medicine at Dartmouth, Hanover, New Hampshire.
4 Division of Gastroenterology, University of Montreal Hospital Center, Montreal, Quebec, Canada; University of Montreal Hospital Research Center, Montreal, Quebec, Canada.
5 Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada.
6 Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy; IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy.
7 Division of Gastroenterology, University of Montreal Hospital Center, Montreal, Quebec, Canada; University of Montreal Hospital Research Center, Montreal, Quebec, Canada. Electronic address: [email protected].