[1] Katholieke Univ Leuven, Nephrol & Renal Transplantat Res Grp, Dept Microbiol Immunol & Transplantat, Leuven, Belgium
[2] Katholieke Univ Leuven, Dept Chron Dis & Metab, Leuven, Belgium
[3] Univ Florence, Dept Expt & Clin Biomed Sci, Florence, Italy
[4] Univ Hosp Leuven, Dept Gastroenterol & Hepatol, Leuven, Belgium