[1] Katholieke Univ Leuven, Dept Microbiology Immunol & Transplantat, Leuven, Belgium
[2] Katholieke Univ Leuven, Dept Chron Dis & Metab, Leuven, Belgium
[3] Univ Hosp Leuven, Dept Gastroenterol & Hepatol, Leuven, Belgium
[4] Katholieke Univ Leuven, Dept Imaging & Pathol, Leuven, Belgium
[5] Univ Hosp Leuven, Dept Gen Internal Med, Leuven, Belgium