1. Division of Gastroenterology and Hepatology, UNC Liver Center, University of North Carolina, Chapel Hill, North Carolina, USA;
2. Department of Public Health Sciences, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, Pennsylvania, USA;
3. Liver Center, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, Pennsylvania, USA;
4. Cancer Institute, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, Pennsylvania, USA;
5. Fatty Liver Program, Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, Pennsylvania, USA.