[1] Sichuan Univ, Operating Room West China Hosp, West China Sch Nursing, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, West China Hosp, Dept Pancreat Surg & Gen Surg, Chengdu, Sichuan, Peoples R China
[3] Dept Pancreat Surg & Gen Surg, 37,Guoxue Lane, Chengdu 610041, Sichuan, Peoples R China