1. The First Clinical Medical College of Jinan University, Guangzhou, Guangdong Province 510630, China
2. Department of Respiratory Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, China
3. Department of Central Laboratory, Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, China
4. Department of Digestive Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, China
5. Department of Intensive Care Unit, The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning 531000, China
6. Department of Surgery and Cancer, Imperial College London, Chelsea and Westminster Hospital, London SW10 9NH, UK
7. Department of Intensive Care Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi Zhuang Autonomous Region 533000, China