1. Department of Respiratory and Critical Care Medicine, the Second Hospital of Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
2. School of Basic Medical Sciences, Department of Pharmacology, Shanxi Medical University, Taiyuan 030000, P.R. China
3. Department of R&D, USBAY Biotechnology Co., Ltd, Beijing 102006, P.R. China