[1] Copenhagen Univ Hosp, Dept Oncol, Herlev, Denmark
[2] Nordic Biosci, Biomarkers & Res, Herlev, Denmark
[3] Copenhagen Univ Hosp Bispebjerg & Frederiksberg, Digest Dis Ctr, Copenhagen, Denmark
[4] Copenhagen Univ Hosp, Dept Surg Gastroenterol, Rigshospitalet, Copenhagen, Denmark
[5] Copenhagen Univ Hosp, Dept Surg Gastroenterol, Rigshospitalet, Copenhagen, Denmark