Tongji University, School of Medicine, Shanghai Tenth People's Hospital, Thyroid Center, Government of the People's Republic of China - Department of General Surgery, Naval Medical University (SMMU), Fudan University, Fudan University, Fudan University, Fudan University, Fudan University - Shanghai Cancer Center, Department of Pancreatic Surgery, Fudan University, Fudan University, Government of the People's Republic of China - Department of Biliary Tract Surgery, Government of the People's Republic of China - Department of General Surgery and Fudan University - Department of Pancreatic Surgery