1. Clinical Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, P.R. China
2. Department of Infectious Diseases, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
3. Clinical Research Center, Shijiazhuang Fifth Hospital, Shijiazhuang, Hebei 050024, P.R. China
4. Center of Experimental Management, Shanxi University of Chinese Medicine, Jinzhong, Shanxi 030619, P.R. China