[1] Tongji Univ, Shanghai Tenth Peoples Hosp, Sch Med, Cent Lab, 301 Yanchang Middle Rd, Shanghai 200072, Peoples R China
[2] Tongji Univ, Shanghai Tenth Peoples Hosp, Dept Urol, Sch Med, Shanghai 200060, Peoples R China
[3] Tongji Univ, Shanghai Tenth Peoples Hosp, Sch Med, Dept Lab Med, Shanghai 200070, Peoples R China
[4] Shanghai Pudong New Area Gongli Hosp, Dept Gastroenterol, Shanghai 200135, Peoples R China
[5] Shanghai Univ Tradit Chinese Med, Longhua Hosp, Dept Lab Med, 725 South Wanping Rd, Shanghai 200032, Peoples R China