Department of Surgery, Hebei Medical University, Shijiazhuang,Hebei 050017, China;
Department of Surgical Oncology, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, China;
Department of Pediatric Surgery, the Second Hospital of Hebei Medical University,Shijiazhuang, Hebei 050000, China;
Department of Medical Oncology, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, China;
Teaching & Research Section, Hebei Medical University,Shijiazhuang, Hebei 050017;
Department of Surgery, Department of Oncology & Immunotherapy, Hebei General Hospital, Shijiazhuang,Hebei 050051, China;
Department of Surgical Oncology, Affiliated Hospital of Hebei University, Baoding, Hebei 071000, China;
Department of Surgery, Hebei Medical University, Shijiazhuang,Hebei 050017, China;
Department of Surgery , the Second Hospital of Hebei Medical University,Shijiazhuang, Hebei 050000, China;