1. Shanghai Key Laboratory of Perioperative Stress and Protection, Department of Anesthesia, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
2. Department of Geriatrics, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, Fujian 361015, P.R. China
3. Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
4. Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
5. Department of Anesthesia, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, Fujian 361015, P.R. China
6. Department of Geriatrics, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China