title: Reply.
authors.affiliation: Division of Gastroenterology, Hepatology and Nutrition, Virginia Commonwealth University and McGuire VA Medical Center, Richmond, VA.
authors.forename: Jasmohan S
authors.initials: JS
authors.lastname: Bajaj
authors.affiliation: Department of Microbiology and Immunology, Virginia Commonwealth University and McGuire VA Medical Center, Richmond, VA.
authors.forename: Huiping
authors.initials: H
authors.lastname: Zhou
authors.affiliation: Division of Gastroenterology, Hepatology and Nutrition, Virginia Commonwealth University and McGuire VA Medical Center, Richmond, VA.
authors.forename: Dae Joong
authors.initials: DJ
authors.lastname: Kang
authors.affiliation: Department of Microbiology and Immunology, Virginia Commonwealth University and McGuire VA Medical Center, Richmond, VA.
authors.forename: Phillip B
authors.initials: PB
authors.lastname: Hylemon