[1] Univ Henri Poincare Nancy, Vandoeuvre Les Nancy, France
[2] S Florida Ctr Gastroenterol, Wellington, FL USA
[3] NW Feinberg Sch Med, Chicago, IL USA
[4] Henry Ford Hosp, Detroit, MI 48202 USA
[5] Alamo Med Res, San Antonio, TX USA
[6] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[7] Vancouver Gen Hosp, Vancouver, BC, Canada
[8] Liver Specialists Texas, Houston, TX USA
[9] Virginia Commonwealth Univ, Sch Med, Richmond, VA 23284 USA
[10] Mt Vernon Endoscopy Ctr, Alexandria, VA USA
[11] Weill Cornell Med Coll, New York, NY USA
[12] Univ Paris 07, Paris, France
[13] Hop Beaujon, Clichy, France
[14] Duke Univ, Sch Med, Durham, NC USA
[15] Cedars Sinai Med Ctr, Los Angeles, CA 90048 USA
[16] Merck Sharp & Dohme Corp, Whitehouse Stn, NJ USA
[17] Baylor Coll Med, Houston, TX 77030 USA