1. Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, U.K.
2. College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QE, U.K.
3. Laboratory of Atmospheric Chemistry, Paul Scherrer Institut (PSI), Villigen 5232, Switzerland
4. Institute for Atmospheric and Climate Science, ETH Zurich, Zurich 8006, Switzerland
5. School of Architecture, Civil & Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
6. Center for the Studies of Air Quality and Climate Change, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas, Patras 26504, Greece
7. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02134, United States
8. College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
9. Centre for Atmospheric Sciences, Department of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester M13 9PS, U.K.
10. Department of Atmospheric Sciences, School of Earth Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
11. State Key Laboratory of Severe Weather & Key Laboratory of Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
12. McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
13. Department of Civil and Environmental Engineering, UC Berkeley, Berkeley, California 94720, United States
14. EWRE Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, India
15. Laboratory for Atmospheric and Climate Sciences, Indian Institute of Technology Madras, Chennai 600036, India
16. School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30318, United States