1. Department of Oncology, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
2. Department of Gland Surgery, Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
3. Research Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
4. Department of Pathology, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
5. Breast Medical Center, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)