Research Staff Lulu Huang Clinical Research Coordinator Phone: 314-747-4236 Email: ibdstudy@wustl.edu Donald Jones Research Coordinator Phone: 314-747-4236 Email: ibdstudy@wustl.edu Vicki Martin Clinical Research Coordinator II Phone: 314-747-4236 Email: ibdstudy@wustl.edu Darren Nix Research Coordinator Phone: 314-747-4236 Email: ibdstudy@wustl.edu Guadalupe Oliva Escudero Email: guadalupe@wustl.edu