1. Department of Pharmaceutical Analysis, College of Pharmacy, Mudanjiang Medical University, Mudanjiang, China
2. Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA
3. State Key Laboratory of Functions and Applications of Medicinal Plants, Key Laboratory of Pharmaceutics of Guizhou Province, Guizhou Medical University, Guiyang, China
4. Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China