1. Department of Breast Medical Oncology, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
2. Guangdong Provincial Key Laboratory for Breast Cancer Diagnosis and Treatment, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China
3. Department of Gynecology, Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P.R. China