1 Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
2 Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, Changsha, Hunan 410013, China.
3 Department of Comprehensive Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.