Department of Orthopedics and Traumatology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Orthopedics and Traumatology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Orthopedics and Traumatology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Anesthesiology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Anesthesiology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Anesthesiology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Geriatric Medicine Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Orthopedics and Traumatology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;
Department of Orthopedics and Traumatology Beijing Jishuitan Hospital Peking University Fourth School of Clinical Medicine Beijing 100035 China;