1. From the Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine and Science, Rochester, MN (E.V.L.); the Inflammatory Bowel Diseases Unit, Hospital Clinic Barcelona, Institut d’Investigacions Biomèdiques August Pi i Sunyer, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Barcelona (J.P.); AbbVie, North Chicago, IL (A.P.L., C.P., M-E.F.M., J.L., Z.G., T.F., E.D.); the Department of Gastroenterology and INSERM Unité 1256, Nutrition–Genetics and...