[1
]
Department of Anaesthesiology and Critical Care Medicine, Peking University First
Hospital, Beijing, China.
[2
]
Department of Critical Care Medicine, Peking University Third Hospital, Beijing, China.
[3
]
Department of Anaesthesiology and Critical Care Medicine, Peking University First
Hospital, Beijing, China. Electronic address: wangdongxin@hotmail.com.
[4
]
Department of Biostatistics, Peking University First Hospital, Beijing, China.
[5
]
Department of Anesthesia and Perioperative Care, University of California, San Francisco,
CA, USA.
[6
]
Section of Anaesthetics, Pain Management and Intensive Care, Department of Surgery
and Cancer, Imperial College London, Chelsea and Westminster Hospital, London, UK.
Electronic address: d.ma@imperial.ac.uk.