Colitis, Ulcerative

• Bogomolets National Medical University — Kyiv, Ukraine
• Ukrainian Research and Practical Centre of Endocrine Surgery, Transplantation of Endocrine Organs and Tissues of the Ministry of Health of Ukraine — Kyiv, Ukraine

• Severance Hospital — Seoul, Seodaemun-gu, South Korea

Not specified

• State Scientific Centre of Coloproctology, Russian Federation — Moscow, Russia

• New York University School of Medicine — New York, United States

• Erasmus Medical Center — Rotterdam, Nederland, Netherlands

• Dothan Surgery Center — Dothan, Alabama, United States
• Gut P.C., dba Digestive Health Specialists of the Southeast — Dothan, Alabama, United States
• Long Beach Clinical Trials Services Inc. — Long Beach, California, United States
• Southern California Research Institute Medical Group/West Gastroenterology Medical Group/Airport En- — Los Angeles, California, United States

Not specified

• Department of Gastrointestinal Surgery, Aalborg University Hospital — Aalborg, Denmark

• Birmingham Gastroenterology Associates P.C /ID# 151276 — Birmingham, Alabama, United States
• East View Medical Research, LLC /ID# 171183 — Mobile, Alabama, United States
• CB Flock Research Corporation /ID# 165980 — Mobile, Alabama, United States
• Delsol Research Management, Ll /Id# 170131 — Chandler, Arizona, United States