Baseline Characteristics of a Retrospective Cohort of Patients With Inflammatory Bowel Disease Initiating Vedolizumab Therapy: Data From a Patient‐Focused Application (HealthPROMISE): 681. (October 2019) - Cohen, Benjamin L.; Chang, Helena; Rogers, Jason; Garg, Shashank; Lawrence, Debra; Fasihuddin, Farah; Lissoos, Trevor; Atreja, Ashish