[1] Shanghai Jiao Tong Univ, Sch Med, Shanghai Renji Hosp, Div Gen Surg, Shanghai 200127, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Med, Shanghai Renji Hosp, Div Oncol, Shanghai 200127, Peoples R China
[3] Shanghai Jiao Tong Univ, Sch Med, Shanghai Renji Hosp, Div Endocrinol, Shanghai 200127, Peoples R China