[1] Franciscus Gasthuis & Vlietland, Dept Internal Med, Rotterdam, Netherlands
[2] Erasmus MC, Dept Internal Med & Endocrinol, Rotterdam, Netherlands
[3] Julius Clin, Zeist, Netherlands
[4] Franciscus Gasthuis & Vlietland, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[5] Erasmus MC, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[6] LUMC, Dept Gastroenterol & Hepatol, Leiden, Netherlands
[7] Amsterdam UMC, Dept Internal Med, Amsterdam, Netherlands