[1] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Gastrointestinal Unit,Inflammatory Bowel Dis Ctr, Boston, MA USA
[2] Washington Univ, Sch Med, Div Gastroenterol, St Louis, MO 63110 USA
[3] Univ Florida, Div Gastroenterol Hepatol & Nutr, Gainesville, FL USA
[4] Vet Affairs Med Ctr, Gainesville, FL 32608 USA
[5] Berlex Labs Inc, Seattle, WA USA