1. Breast Cancer Center; Sun-Yat-Sen Memorial Hospital; Sun-Yat-Sen University; Guangzhou 510120 People's Republic of China
2. Department of Breast and Thyroid Surgery; The 6th Affriciated Hospital of Sun Yat-Sen University; Sun-Yat-Sen University; Guangzhou 510120 People's Republic of China
3. Department of Medical Oncology; No. 2 Affiliated Hospital; Guangzhou Medical College; Guangzhou 510260 People's Republic of China