1. Graduate School, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China
2. Key Laboratory of Xin'an Medicine of Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, P.R. China
3. Department of Cardiovascular Medicine, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230031, P.R. China
4. School of Chinese Medicine, Anhui University of Chinese Medicine, Hefei, Anhui 230012, P.R. China