Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China;
Department of Anesthesiology, Beijing Hospital, Beijing 100730, China;
Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China;
Department of Anesthesiology and Perioperative Care, Brain and Spinal Injury Center, University of California, San Francisco, CA 94110, USA;
Department of Anesthesiology, Beijing Hospital, Beijing 100730, China;
Department of Anesthesiology, Beijing Hospital, Beijing 100730, China;
Department of Anesthesiology, Beijing Hospital, Beijing 100730, China;
Department of Anesthesiology, Beijing Hospital, Beijing 100730, China;