1. Prevention and Cure Center of Breast Disease, The Third Hospital of Nanchang City, Nanchang, Jiangxi 330009, P.R. China
2. Department of Breast Disease, Henan Breast Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450002, P.R. China
3. Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450002, P.R. China