1. Department of Breast Surgery, Affiliated Quanzhou First Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
2. Department of Breast Surgery, Zhejiang Hospital, Hangzhou, Zhejiang 310013, P.R. China
3. Department of Breast Surgery, The Affiliated Union Hospital of Fujian Medical University, Fuzhou, Fujian 350001, P.R. China