DepartmentofEpidemiology;
FourthMilitaryMedicalUniversity;
Xi'an710032;
ShaanxiProvince;
China;
DepartmentofTraditionalChineseMedicine;
XijingHospital;
FourthMilitaryMedicalUniversity;
Xi’an710032;
ShaanxiProvince;
China;
OncologyCenter;
XijingHospital;
FourthMilitaryMedicalUniversity;
Xi'an710032;
ShaanxiProvince;
China;