[1] Univ Calif San Diego, Div Gastroenterol, La Jolla, CA 92093 USA
[2] Ist Clin Humanitas, IBD Ctr, Milan, Italy
[3] Takeda Global Res & Dev Ctr Europe Ltd, London, England
[4] Med Univ Vienna, Dept Internal Med 3, Vienna, Austria
[5] Takeda Pharmaceut Int Co, Cambridge, MA USA
[6] Takeda Pharmaceut Int Inc, Deerfield, IL USA