1. Department of Anesthesiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
2. Department of Anaesthesiology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
3. Department of Anesthesiology, Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
4. Department of Anaesthesiology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
5. Anesthesia Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
6. Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China