[1] Ohio State Univ, Wexner Med Ctr, Div Gastroenterol Hepatol & Nutr, Columbus, OH 43210 USA
[2] Stanford Univ, Sch Med, Div Gastroenterol, Palo Alto, CA 94304 USA
[3] Penn State Coll Med, Dept Publ Hlth Sci, Hershey, PA USA
[4] Johns Hopkins Med Inst, Div Gastroenterol & Hepatol, Baltimore, MD 21205 USA
[5] Natl Inst Diabet & Digest & Kidney Dis NIDDK, Div Digest Dis & Nutr, NIH, Bethesda, MD USA
[6] Univ Southern Calif, Keck Sch Med, Div Gastroenterol, Los Angeles, CA 90007 USA
[7] Ohio State Univ, Wexner Med Ctr, Div Endocrinol Diabet & Metab, Columbus, OH 43210 USA
[8] Indiana Univ Sch Med, Div Gastroenterol & Hepatol, Indianapolis, IN 46202 USA
[9] Benaroya Res Inst Virginia Mason, Ctr Intervent Immunol, Seattle, WA USA
[10] Johns Hopkins Med Inst, Div Endocrinol Diabet & Metab, Baltimore, MD 21205 USA
[11] Univ Calif Irvine, Div Endocrinol, Irvine, CA USA
[12] Virginia Mason Franciscan Hlth, Ctr Digest Hlth, Seattle, WA USA
[13] Natl Inst Diabet & Digest & Kidney Dis NIDDK, Div Diabet Endocrinol & Metab Dis, NIH, Bethesda, MD USA
[14] Penn State Milton Hershey Med Ctr, Dept Med, Div Gastroenterol & Hepatol, Hershey, PA USA
[15] Cedars Sinai Med Ctr, Div Digest & Liver Dis, Los Angeles, CA 90048 USA
[16] Univ Pittsburgh, Sch Med, Div Gastroenterol Hepatol & Nutr, Pittsburgh, PA USA
[17] Indiana Univ, Dept Radiol & Imaging Serv, Indianapolis, IN 46204 USA
[18] Univ Pittsburgh, Med Ctr, Dept Med, Div Endocrinol & Metab, Pittsburgh, PA USA
[19] Univ Minnesota, Div Gastroenterol, Minneapolis, MN USA
[20] Mayo Clin, Div Gastroenterol & Hepatol, Rochester, MN USA
[21] Univ Illinois, Dept Med, Div Gastroenterol & Hepatol, Chicago, IL USA
[22] Johns Hopkins Med Inst, Russell H Morgan Dept Radiol, Baltimore, MD 21205 USA
[23] Univ Florida, Div Gastroenterol Hepatol & Nutr, Gainesville, FL USA
[24] Univ Minnesota, Sch Med, Dept Pediat, Minneapolis, MN 55455 USA
[25] Univ Minnesota, Sch Med, Dept Surg, Minneapolis, MN 55455 USA
[26] Univ Kentucky, Coll Med, Dept Internal Med, Lexington, KY USA