1. Department of Emergency First Affiliated Hospital of Air Force Military Medical University (Xijing Hospital) Xian Shaanxi China
2. Department of Intensive Care Unit Huaian Hospital of Huai'an City Huai'an Jiangsu China
3. Department of Nursing First Affiliated Hospital of Air Force Military Medical University (Xijing Hospital) Xian Shaanxi China
4. Pneumology Department Jilin Medical College Affiliated Hospital Jilin China
5. Day Observation Ward First Hospital of Jilin University Changchun Jilin China
6. Department of Health Examination Peace Hospital Affiliated to Changzhi Medical College Changzhi Shanxi China
7. Department of Emergency, Dongzhimen Hospital Beijing University of Traditional Chinese Medicine Beijing China
8. Institute of Sepsis Beijing University of Traditional Chinese Medicine Beijing China