1. Department of Medicine, Division of Gastroenterology, University of Michigan, Ann Arbor, Michigan 48109, United States
2. Department of Hepatobiliary Surgery, Peking University People’s Hospital, Beijing 100044, China
3. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
4. Department of Pathology, University of Michigan, Ann Arbor, Michigan 48109, United States
5. Department of Biostatistics, University of Michigan, Ann Arbor, Michigan 48109, United States
6. Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States