Stanford University - Division of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Shandong University, National University Hospital, Singapore - Department of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Shandong University, Shandong University, Stanford University - Division of Gastroenterology and Hepatology, National University Hospital, Singapore - Department of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Stanford University - Division of Gastroenterology and Hepatology, Stanford University, Toranomon Hospital - Department of Hepatology, Stanford University - Division of Gastroenterology and Hepatology and Stanford University - Division of Gastroenterology and Hepatology