[1] Shandong Univ Tradit Chinese Med, Coll Pharm, Jinan 250355, Peoples R China
[2] Shandong Univ Tradit Chinese Med, Qingdao Acad Chinese Med Sci, Qingdao 266122, Peoples R China
[3] Shandong Univ Tradit Chinese Med, Res Ctr, Jinan 250355, Peoples R China
[4] Univ Illinois, Coll Med, Dept Microbiol & Immunol, Chicago, IL 60612 USA