1. Department of Ecology, College of Forestry Guizhou University Guiyang China
2. The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences Guiyang China
3. State Key Laboratory of Functions and Applications of Medicinal Plants Guizhou Medical University Guiyang China
4. Institute of New Rural Development Guizhou University Guiyang China
5. Department of Labor Health and Environmental Hygiene, School of Public Health Guizhou Medical University Guiyang China