1. College of Pharmacy, Shaoyang University, Shaoyang 422000, P. R. China
2. The First Affiliated Hospital of Shaoyang University, Shaoyang 422000, P. R. China
3. Hunan Engineering Research Center for Development and Utilization of Traditional Chinese Medicine in Southwest Hunan, Shaoyang University, Shaoyang 422000, P. R. China
4. The Second Affiliated Hospital of Shaoyang University, Shaoyang 422000, P. R. China