1. Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, China
2. Intensive Care Unit, Conch Hospital of Anhui Medical University, Wuhu, Anhui 241000, China
3. Institute of Infection and Global Health, University of Liverpool, L69 7BE, Liverpool, UK
4. Critical Care Unit, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150000, China
5. Hospital Administration Office, Jilin Central General Hospital, Jilin, Jilin 132000, China
6. Medical Administration Department, Jilin Central General Hospital, Jilin, Jilin 132000, China
7. Department of Cardiology, Jilin Central General Hospital, Jilin, Jilin 132000, China
8. Department of Pulmonary and Critical Care, Wuhu Hospital, East China Normal University, Wuhu, Anhui 241000, China
9. Department of Clinical Research Management, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, China.