1. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2. Health Management Center, Affiliated Hospital of Guizhou Medical University, Guiyang 550025, China
3. Guizhou Academy of Tobacco Science, Guiyang 550081, China
4. Laboratory of Soil and Groundwater Management, Institute of Foundation Engineering, Water and Waste-Management, School of Architecture and Civil Engineering, University of Wuppertal, 42285 Wuppertal, Germany
5. Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, Toronto M3H 5T4, Canada
6. University of Chinese Academy of Sciences, Beijing 100049, China