1. National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People’s Republic of China
2. Henan Engineering Research Center for Control & Remediation of Soil Heavy Metal Pollution, Henan University, Kaifeng, People’s Republic of China
3. National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, People’s Republic of China
4. School of Metallurgical & Environment, Central South University, Changsha, People’s Republic of China