作者单位:College of Pharmacy and Toxicology, University of Utah, Salt Lake City, UT, United States[1]Beth Israel Medical Center, York, NY, United States[2]Division of Gastroenterology, University of Utah, 30 N 1900 E, 4R118 SOM, Salt Lake City, UT 84132[3]Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States[4]