[1] Univ Hosp, Hepatogastroenterol Dept, Angers, France
[2] Duke Univ, Ctr Genom Microbial Syst, Durham, NC USA
[3] Univ Angers, Lab HIFIH EA3859, Angers, France
[4] INRA, UMR1345, Beaucouze, France
[5] Duke Univ, Med Ctr, Div Gastroenterol, Durham, NC 27710 USA
[6] Duke Univ, Dept Pathol, Durham, NC 27706 USA