[1] Shanghai Univ Tradit Chinese Med, Longhua Hosp, Inst Digest Dis, China Canada Ctr Res Digest Dis ccCRDD, Shanghai, Peoples R China
[2] Peking Univ, Shenzhen Hosp, Clin Res Acad, Shenzhen, Peoples R China
[3] Shanghai Univ Tradit Chinese Med, Longhua Hosp, Dept Gen Surg, Shanghai, Peoples R China
[4] Shanghai Univ Tradit Chinese Med, Longhua Hosp, Inst Digest Dis, China Canada Ctr Res Digest Dis ccCRDD, Shanghai 200032, Peoples R China
[5] Shanghai Univ Tradit Chinese Med, Longhua Hosp, Dept Gen Surg, Shanghai 200032, Peoples R China