1 Department of Gastroenterology and Hepatology, Imelda General Hospital, Bonheiden; Department of Gastroenterology and Hepatology, University Hospitals Leuven, KU Leuven, Leuven; Imelda Clinical GI Research Center, Bonheiden.
2 Department of Gastroenterology and Hepatology, Imelda General Hospital, Bonheiden, Belgium.