1 Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China.
2 State Key Laboratory of Liver Research, The University of Hong Kong, Hong Kong, China.
3 State Key Laboratory of Liver Research, The University of Hong Kong, Hong Kong, China. jfung@gastro.hk.
4 Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Room 305, New Clinical Building, Pokfulam Road 102, Hong Kong, China. jfung@gastro.hk.