1. Laboratory of Experimental Immunology, Faculty of Medicine, Katholieke Universiteit Leuven, Belgium.
2. 4AZA Biosciences, Leuven, Belgium.
3. Division of Pathology, Faculty of Medicine, Katholieke Universiteit Leuven, Belgium.
4. Division of Gastroenterology, Faculty of Medicine, Katholieke Universiteit Leuven, Belgium.