1School of Medicine, Oregon Health and Science University, Portland, USA
2Pfizer Inc, Oslo, Norway
3Pfizer AB, Sollentuna, Sweden
4Department of Medical Sciences, Uppsala University, Uppsala, Sweden
5Gastroenterology and Endoscopy, IRCCS Ospedale San Raffaele and University Vita-Salute San Raffaele, Milan, Italy
6Rheumatology Department, Vall d’Hebron Hospital, Barcelona, Spain
7Rheumatology Unit, Hospital Universitario, Madrid, Spain
8Pfizer Inc, Collegeville, USA
9Pfizer Inc, New York, USA
10Pfizer Inc., Peapack, USA
11IBD Unit, Gastroenterology Department, Hospital Clínic de Barcelona, IDIBAPS, CIBERehd, Barcelona, Spain
12Metroplex Clinical Research Center, Dallas, USA