1. Anhui Provincial Key Laboratory of R&D of Chinese Material Medica, School of Life Science, Anhui University, Hefei, P. R. China
2. College of Pharmacy, Qinghai Nationalities University, Xining, P. R. China
3. Qinghai Jiumei Tibetan Medicine Co., Ltd., Xining, P. R. China
4. Traditional Chinese and Tibetan Medicine Research Centre, Medical College of Qinghai University, Xining, P. R. China