selected publications academic article Expression of Programmed Death-Ligand 1 by Human Colonic CD90+ Stromal Cells Differs Between Ulcerative Colitis and Crohn's Disease and Determines Their Capacity to Suppress Th1 Cells.. Frontiers in immunology. 9:-. 2018 Using Qualitative and Quantitative Assessment to Develop a Patient Safety Curriculum for Surgical Residents. 2016 Competency champions in the clinical competency committee: a successful strategy to implement milestone evaluations and competency coaching. 2014