Institute of Cancer Prevention and Control;
Harbin Medical Univrsity;
Harbin 150081;
China;
Heilongjiang Medical Academy;
Institute of Cancer Prevention and Control;
Harbin Medical Univrsity;
Harbin 150081;
China;
Heilongjiang Medical Academy;
Institute of Cancer Prevention and Control;
Harbin Medical Univrsity;
Harbin 150081;
China;
Heilongjiang Medical Academy;