1. Institute of Environment and Ecology, Academy of Environmental Health and Ecological Security, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
2. Institute of Agricultural Engineering, Jiangsu University, Zhenjiang, China
3. Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, USA
4. Guangxi Botanical Garden of Medicinal Plants, Nanning, China
5. Department of Statistics, Oklahoma State University, Stillwater, USA
6. Changzhou Environmental Monitoring Center, Changzhou, China