1. Department of Critical Care Medicine, General Hospital of Southern Theatre Command of Peoples Liberation Army, Guangzhou, China
2. The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
3. Department of Critical Care Medicine, Bao’an People's Hospital, Shenzhen, China
4. Department of Critical Care Medicine, Central People’s Hospital of Longgang, Shenzhen, China
5. Key Laboratory of Hot Zone Trauma Care and Tissue Repair of Peoples Liberation Army, General Hospital of Southern Theatre Command of Peoples Liberation Army, Guangzhou, China
6. Department of Critical Care Medicine and Hospital Infection Prevention and Control, The Second People’s Hospital of Shenzhen & First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen, China