1. Intensive Care Unit, Shenzhen Hospital, Southern Medical University, Shenzhen, PR China
2. Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou, PR China
3. Department of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, PR China
4. Department of Thoracic Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen, PR China