1. Departments of Gastroenterology and HepatologyErasmus MC‐University Medical Center Rotterdam The Netherlands
2. Department of PathologyErasmus MC‐University Medical Center Rotterdam The Netherlands
3. Department of SurgeryErasmus MC‐University Medical Center Rotterdam The Netherlands
4. Laboratory of Molecular and Cellular TherapyVrije Universiteit Brussel Brussels Belgium
5. Cancer Immunology Discovery UnitPfizer Inc. South San Francisco CA