Magnetic resonance imaging proton density fat fraction as an imaging‐based biomarker of treatment response in patients with nonalcoholic steatohepatitis

1Division of Gastroenterology and Hepatology, Department of Medicine, Pennsylvania State University, Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA 2Department of Public Health Sciences, Pennsylvania State University, Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA 3Liver Center, Pennsylvania State University, Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA 4Cancer Institute, Pennsylvania State University, Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA 5Division of Gastroenterology and Hepatology, Department of Medicine, University of California San Diego, La Jolla, California, USA 6Division of Epidemiology, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California, USA 7NAFLD Research Center, University of California San Diego, La Jolla, California, USA