Affiliation: | a Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, 72205 Arkansas, USA b Department of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, 4301, West Markham, Slot 567, Little Rock, 72205 Arkansas, USA c Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, 72205 Arkansas, USA d Department of Hematology and Oncology, University of Arkansas for Medical Sciences, Little Rock, 72205 Arkansas, USA |