1. Basic Medical School, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550025, P.R. China
2. Shizhen College, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550200, P.R. China
3. The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550000, P.R. China
4. The First Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550000, P.R. China