1. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan Province, China
2. Central Laboratory, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan Province, China
3. Hunan Provincial Key Laboratory of Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China
4. Clinical Medical Technology Research Center of Hunan Provincial for Biliary Disease Prevention and Treatment, Changsha, Hunan Province, China