1. Department of Environmental Science, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650504, P.R. China
2. Department of Neurosurgery, The First Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan 650032, P.R. China
3. Very Important Person Ward, The Second Affiliated Hospital of Kunming Medical College, Kunming, Yunnan 650032, P.R. china
4. Department of Pharmacology, Medical School, Kunming University of Science and Technology, Kunming, Yunnan 650504, P.R. china