3Farncombe Family Digestive Health Research Institute, McMaster University, 1200 Main St West, H.Sc. 3N6, Hamilton, Ontario, Canada. 4INSERM, Equipe AVENIR U1057 / UMR CNRS 7203, 75012 Paris, France. 5Department of Gastroenterology and Nutrition, AP-HP, Hôpital Saint-Antoine F-75012 and ...