1. Hebei Medical University; 361 East Zhongshan Road Shijiazhuang 050017 Hebei China
2. The Fourth Hospital of Hebei Medical University; Shijiazhuang 050011 Hebei China
3. Department of Pharmacology; Hebei University of Chinese Medicine; Shijiazhuang 050200 Hebei China
4. Department of Medicinal Chemistry; Hebei University of Chinese Medicine; Shijiazhuang 050200 Hebei China
5. Department of Infectious Diseases; Hebei General Hospital; No. 348, Heping West Road Shijiazhuang Hebei 050051 China