1. Department of Vascular Surgery, Henan Provincial People’s Hospital, the Affiliated People’s Hospital of Zhengzhou University, the Affiliated People’s Hospital of Henan University, Zhengzhou, Henan, China
2. Department of Hematology, Henan Provincial People’s Hospital, the Affiliated People’s Hospital of Zhengzhou University, the Affiliated People’s Hospital of Henan University, Zhengzhou, Henan, China
3. Department of Infectious Disease, Henan Provincial People’s Hospital, the Affiliated People’s Hospital of Zhengzhou University, the Affiliated People’s Hospital of Henan University, Zhengzhou, Henan, China
4. ICU, Henan Provincial People’s Hospital, the Affiliated People’s Hospital of Zhengzhou University, the Affiliated People’s Hospital of Henan University, Zhengzhou, Henan, China