1. Department of ICU, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
2. Department of Surgical Oncology, Tumor Hospital of Taizhou, Wenling, Zhejiang 317502, P.R. China
3. Department of Hematology, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, P.R. China
4. Department of Pneumology, Zhejiang University International Hospital, Shulan (Hangzhou) Hospital, Hangzhou, Zhejiang 310000, P.R. China
5. Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
6. Lishui University, Lishui, Zhejiang 323000, P.R. China