InsitituteofInfectiousDiseases;
theThirdMilitaryMedicalUniversityAfflicatedSouthwestHospital;
Chongqing400038;
China;
DepartmentofPhysiology;
LanzhouMedicalCollege;
Lanzhou730000;
China;
DepartmentofPhysicalCulture;
GansuCollegeofEducation;
Lanzhou730000;
China;