1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
2. Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
3. Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States
4. School of Public Health, University of California, Berkeley, California 94720, United States
5. Department of Mechanical Engineering, University of Colorado, Boulder, Colorado 80309, United States
6. College of Urban and Environmental Sciences, Laboratory for Earth Surface Processes, Sino-French Institute for Earth System Science, Peking University, Beijing 100871, China
7. School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
8. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
9. State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, School of Environment, Tsinghua University, Beijing 100084, China
10. State Key Laboratory of Environment Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China