1. Department of Breast Cancer Surgery, the Affiliated Tumor Hospital of Harbin Medical University, Harbin, P.R. China
2. Translational Medicine Research and Cooperation Center of Northern China, Heilongjiang Academy of Medical Sciences, Harbin, P.R. China
3. Department of Epidemiology and Biostatistics, Harbin Medical University, Harbin, P.R. China
4. Department of Pathology, Harbin Medical University, Harbin, P.R. China
5. College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, P.R. China
6. Department of Oncology, General Hospital of Heilongjiang Province Land Reclamation Headquarters, Harbin, P.R. China