1. College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
2. Department of Neurology Fujian Provincial Hospital, Shengli Clinical College of Fujian Medical University No. 134 Dong Street Fuzhou Fujian 350001 P. R. China
3. Fujian Institute of integrated traditional Chinese and Western Medicine Fujian University of Traditionial Chinese Medicine No. 1 Qiuyang Road, Minhou District Fuzhou 350122 P. R. China