[1] Univ Amsterdam, Acad Med Ctr, Dept Surg, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Amsterdam, Acad Med Ctr, Dept Gastroenterol, NL-1105 AZ Amsterdam, Netherlands
[3] Univ Amsterdam, Acad Med Ctr, Ctr Hemostasis Thrombosis Atherosclerosis & I, NL-1105 AZ Amsterdam, Netherlands
[4] Univ Amsterdam, Acad Med Ctr, Lab Expt Internal Med, NL-1105 AZ Amsterdam, Netherlands