Department of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, China.Digestion Center, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.Department of Gastroenterology and Hepatology, Changi General Hospital, Singapore.Liver Research Center, The First Affiliated Hospitals of Fujian Medical University, Fujian, China.Liver Research Center, The First Affiliated Hospitals of Fujian Medical University, Fujian, China.Department of Respiratory, The First Affiliated Hospitals of Fujian Medical University, Fujian, China.Department of Nephrology, The Third People's Hospital of Chengdu, Chengdu, China.Liver Research Center, The First Affiliated Hospitals of Fujian Medical University, Fujian, China.