1. Department of Orthopedics, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, Hebei 050011, P.R. China
2. Department of Breast Cancer Center, Hebei Medical University Fourth Affiliated Hospital and Hebei Provincial Tumor Hospital, Shijiazhuang, Hebei 050011, P.R. China
3. Department of Emergency, Hebei Medical University Second Affiliated Hospital, Shijiazhuang, Hebei 050000, P.R. China