Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Shandong University, Qingdao University of Technology, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao University of Technology, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Chinese Academy of Sciences (CAS), Anhui University of Technology, Qingdao University of Technology and affiliation not provided to SSRN

Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering, Qingdao University of Science and Technology - School of Environmental and Municipal Engineering and Tianjin University - School of Environmental Science and Engineering