北京中医药大学民族医药研究专项资助项目2015-JYB-JSMS025;北京中医药大学研究生项目资助项目No. 2015-JYB-XS065This study was supported by the Ethnic Medicine Research Project of Beijing University of Chinese Medicine2015-JYB-JSMS025;Postgraduate Project of Beijing University of Chinese Medicine2015-JYB-XS065