Letter: combination of biologics in inflammatory bowel diseases. Authors' reply

Affiliations

• ¹ Division of Gastroenterology, Department of Medicine, UCSD Inflammatory Bowel Disease Center, La Jolla, CA, USA.
• ² Faculty of Health Science, Western University, London, ON, Canada.
• ³ Division of Gastroenterology, Department of Medicine, University of Calgary Inflammatory Bowel Disease Center, Calgary, AB, Canada.
• ⁴ Division of Gastroenterology and Hepatology, Weill Cornell Medicine, Jill Roberts Center for Inflammatory Bowel Disease, New York, NY, USA.