1. Changzheng Hospital, The Second Military Medical University; Department of Anaesthesiology; No 415, Feng Yang Road Shanghai Shanghai China 200003
2. Changzheng Hospital, Second Military Medical University; Kidney Institute of CPLA, Division of Nephrology; 415 Fengyang Road Shanghai China 200003
3. The General Hospital of the People's Liberation Army (PLAGH) (also Hospital 301); Department of Neurology; No. 28, Fuxing Road Beijing Beijing China 100853
4. West China Hospital, Sichuan University; Cochrane China; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
5. Xinhua Hospital, Shanghai Jiaotong University, School of Medicine; Department of Anesthesiology and SICU; No 1665, Kongjiang Road Shanghai China 200092