1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences , Dongcheng District , Beijing 100700 , China
2. Hubei Province Key Laboratory of Occupational Hazard Identification and Control, College of Medicine , Wuhan University of Science and Technology , Wuhan 430065 , China
3. State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute , Chinese Academy of Agricultural Sciences , Lanzhou 730046 , China