[1] Univ Southern Calif, Keck Sch Med, Div Gastrointestinal & Liver Dis, Los Angeles, CA USA
[2] Univ Minnesota, Div Gastroenterol Hepatol & Nutr, Minneapolis, MN USA
[3] Staten Isl Univ Hosp, Dept Gastroenterol & Internal Med, Northwell Hlth, Staten Isl, NY USA
[4] Mayo Clin, Dept Gastroenterol & Hepatol, Rochester, MN USA
[5] Kansas City VA Med Ctr, Dept Gastroenterol, Kansas City, MO USA
[6] Texas Tech Univ, Dept Gastroenterol, El Paso, TX USA
[7] Univ Calgary, Cumming Sch Med, Dept Med, Calgary, AB, Canada
[8] Univ Hawaii, Dept Gastroenterol, Honolulu, HI USA
[9] Providence Sacred Heart Hosp, Pancreas & Liver Clin, Spokane, WA USA
[10] Univ Michigan, Div Gastroenterol, Michigan Med, Ann Arbor, MI USA
[11] Univ Massachusetts, Mem Med Ctr, Div Gastroenterol, Worcester, MA USA
[12] Wake Forest Sch Med, Dept Gastroenterol, Winston Salem, NC USA
[13] Texas Childrens Hosp, Baylor Coll Med, Sect Pediat Gastroenterol Hepatol & Nutr, Houston, TX USA
[14] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Div Gastroenterol, Boston, MA USA
[15] Loma Linda Univ, Dept Gastroenterol & Hepatol, Loma Linda, CA USA
[16] UTHealth, McGovern Med Sch, Ctr Intervent Gastroenterol, Houston, TX USA
[17] Univ Florida, Dept Gastroenterol, Gainesville, FL USA
[18] Univ Florida, Dept Gastroenterol Hepatol & Nutr, POBox 100214,1329 SW 16th St,Ste 5251, Gainesville, FL 32610 USA