Ulcerative Colitis

• Lexicon Investigational Site — Little Rock, Arkansas, United States
• Lexicon Investigational Site — Anaheim, California, United States
• Lexicon Investigational Site — Santa Monica, California, United States
• Lexicon Investigational Site — Great Neck, New York, United States

• Mount Sinai Hospital — New York, United States

Not specified

• Kasugai-shi, Aichi-ken, Japan
• Nagoya, Aichi-ken, Japan
• Toyota-shi, Aichi-ken, Japan
• Hirosaki-shi, Aomori, Japan

• Merck Sharp & Dohme Ltd. — Hoddesdon, United Kingdom

Not specified

• Department of Pediatrics, Hvidovre Hospital — Hvidovre, Denmark

• Katrine Carlsen — Herlev, Denmark

• Brigham and Women's Hospital — Boston, Massachusetts, United States

• Centre for Research & Care of Intestinal Diseases — Rozzano, Italy