Department of Neurosurgery, Second Affiliated Hospital, Hebei Medical University, Shijiazhuang 050000, China;
Department of Neurosurgery, Third Hospital of Shijiazhuang, Shijiazhuang 050011, China;
Department of Neurosurgery, Second Affiliated Hospital, Hebei Medical University, Shijiazhuang 050000, China;
Department of Neurosurgery, First Hospital of Shijiazhuang, Shijiazhuang 050011, China;