1. Department of Radiology, Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, China
2. Department of Radiology, First Affiliated Hospital, Shantou University Medical College, Shantou 515041, China
3. Department of Medical Imaging, Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
4. Laboratory of Molecular Pathology, Shantou University Medical College, Shantou 515041, China
5. Provincial Key Laboratory for Breast Cancer Diagnosis and Treatment, Shantou 515041, China
6. The Department of Biomedical Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada