Department of Breast Surgery,The First Hospital of China Medical University,Shenyang,Liaoning 110001,China

Department of Breast and Thyroid Surgery,Shandong Provincial Hospital Affiliated to Shandong First Medical University,Jinan,Shandong 250021,China

Department of Geriatric Medicine,The First Hospital of China Medical University,Shenyang,Liaoning 110001,China

Department of Breast Surgery,Jilin Cancer Hospital,Changchun,Jilin 130012,China

Department of Breast and Thyroid Surgery,Affiliated Zhongshan Hospital of Dalian University,Dalian,Liaoning 116001,China

Department of Oncology,The First Affiliated Hospital of Dalian Medical University,Dalian,Liaoning 116011,China

Department of Breast Surgery,China-Japan Union Hospital Affiliated to Jilin University,Changchun,Jilin 130033,China

Department of Breast Surgery,The Second Hospital of Dalian Medical University,Dalian,Liaoning 116023,China

Department of Breast Surgery,The Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150081,China

Department of Breast Surgery,The Fifth People's Hospital of Shenyang,Shenyang,Liaoning 110023,China

Department of Breast Surgery,General Hospital of Benxi Iron & Steel Industry Group of Liaoning Health Industry Group,Benxi,Liaoning 117000,China

Department of Breast Surgery,The Fourth People's Hospital of Shenyang,Shenyang,Liaoning 110082,China

Department of Breast Surgery,The First Affiliated Hospital of Dalian Medical University,Dalian,Liaoning 116011,China

Department of Clinical Epidemiology and Center of Evidence Based Medicine,The First Hospital of China Medical University,Shenyang,Liaoning 110001,China

Department of Breast Surgery,The Second Hospital of Jilin University,Changchun,Jilin 130041,China

Department of Breast Surgery,General Surgery Center,The First Hospital of Jilin University,Changchun,Jilin 130061,China