1. Department of Intensive Care Unit, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
2. Department of Geriatric Medicine, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
3. Department of EICU, Changshu Hospital Affiliated to Soochow University, Changshu, Jiangsu, China