DepartmentofGeneralSurgery;
JinglingHospital;
ClinicalSchoolofNanjingUniversity;
Naniing210002;
JiangsuProvince;
China;
SchoolofMedicine;
NanjingUniversity;
Nanjing210093;
JiangsuProvince;
China;
DepartmentofGeneralSurgery;
ShanghaiMeishanHosoital.Naniing210039;
JiangsuProvince;
China;
DigestiveDiseaseInstituteofJiangxiMedicalCollege;
Nanchang330006;
JiangxiProvince;
China;
DigestiveDiseaseInstituteofJiangxiMedicalCollege;
Nanchang330006;
JiangxiProvince;
China;