[1] Katholieke Univ Leuven, Dept Clin & Expt Med, Translat Res Ctr GastroIntestinal Disorders TARGI, Leuven, Belgium
[2] Evaggelismos Hosp, Gastroenterol Clin, Athens, Greece
[3] Katholieke Univ Leuven, Dept Pharmaceut & Pharmacol Sci Therapeut & Diagn, Leuven, Belgium