[1] Univ Amsterdam, Dept Vasc Med, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Amsterdam, Dept Internal Med, NL-1105 AZ Amsterdam, Netherlands
[3] Wageningen Univ, Microbiol Lab, Wageningen, Netherlands
[4] Univ Helsinki, Dept Basic Vet Med, Helsinki, Finland
[5] Univ Groningen, Univ Med Ctr Groningen, Ctr Liver Digest & Metab Dis, Groningen, Netherlands