[1] Hvidovre Univ Hosp, Med Div, Gastro Unit, Hvidovre, Denmark
[2] Univ Copenhagen, Fac Hlth & Med Sci, Novo Nordisk Fdn, Ctr Basic Metab Res, Copenhagen, Denmark
[3] Aarhus Univ Hosp, Dept Hepatol & Gastroenterol, Aarhus, Denmark
[4] Univ Copenhagen, Novo Nordisk Fdn, Ctr Prot Res, Clin Prote Grp,Prote Program, DK-2200 Copenhagen, Denmark
[5] Max Planck Inst Biochem, Munich, Bayern, Germany