1Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
2Division of Intramural Research, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, United States
3University of North Carolina Institute for Drug Safety Sciences, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
4Division of Gastroenterology and Hepatology, UNC School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States