| Affiliation: | (1) Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA;(2) Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA;(3) Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA;(4) Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, 4301 West Markham, No. 567, Little Rock, Arkansas 72205-7199, USA |
