Ulcerative Colitis

• General hospital Celje, Department of Gastoenterology — Celje, Slovenia
• General hospital Izola, Department of Internal medicine — Izola, Slovenia
• University Medical Centre Ljubljana, Department of Gastroenterology — Ljubljana, Slovenia
• University Medical Centre Maribor, Department of Gastoenterology — Maribor, Slovenia

• Imelda GI clinical research center — Bonheiden, Belgium
• UZ Leuven — Leuven, Belgium

Not specified

• Arizona Digestive Health Mesa - East — Mesa, Arizona, United States
• Elite Clinical Studies - Phoenix - Clinedge - PPDS — Phoenix, Arizona, United States
• Arizona Digestive Health — Sun City, Arizona, United States
• CATS Research Center - University of Arizona — Tucson, Arizona, United States

• Crohn's & Colitis Foundation — New York, United States
• University of North Carolina — Chapel Hill, North Carolina, United States

• Antonio López-Serrano — Valencia, Spain

• Univ.-Klinik für Innere Medizin I — Innsbruck, Austria
• University Hospitals Leuven - campus Gasthuisberg — Leuven, Belgium
• Klinické centrum ISCARE — Prague, Czechia
• Orlicko-ustecka nemocnice — Ústí nad Orlicí, Czechia

• Aberdeen Royal Infirmary — Aberdeen, United Kingdom
• Bronglais General Hospital — Aberystwyth, United Kingdom
• NHS Lanarkshire — Airdrie, United Kingdom
• Ulster Hospital — Belfast, United Kingdom

• Oslo University Hospital — Oslo, Norway

• CMAX Clinical Research — Adelaide, South Australia, Australia