1. West China Center of Excellence for Pancreatitis, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University/West China School of Nursing, Sichuan University, Chengdu, P.R. China.
2. Operating Room, West China Hospital of Sichuan University/West China School of Nursing, Sichuan University, Chengdu, P.R. China.
3. Department of Liver Surgery, West China Hospital of Sichuan University/West China School of Nursing, Sichuan University, Chengdu, P.R. China.