1. State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China
2. Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, CH-1015, Switzerland
3. Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas, Patras, Greece, GR-26504
4. Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Palea Penteli, Greece GR-15236
5. Tianjin Eco-Environmental Monitoring Center, Tianjin, 300191, China
6. School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
7. Department of Civil, Environmental and Construction Engineering, University of Central Florida, Orlando, Florida 32816, United States
8. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0512, United States