1. Department of Anaesthesiology; Changzheng Hospital, The Second Military Medical University; Shanghai China
2. Department of Pharmacology; Tongji University School of Medicine; Shanghai China
3. Department of Anaesthesiology; Changhai Hospital, The Second Military Medical University; Shanghai China
4. Department of Neurology; The General Hospital of the People's Liberation Army (PLAGH) (also Hospital 301); Beijing China
5. Department of Anaesthesiology; General Hospital of PLA Rocket Force; Beijing China
6. Cochrane China; West China Hospital, Sichuan University; Chengdu China
7. Department of Anesthesiology and SICU; Xinhua Hospital, Shanghai Jiaotong University, School of Medicine; Shanghai China