1. School of Environment State Key Joint Laboratory of Environment Simulation and Pollution Control Tsinghua University Beijing China
2. State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing China
3. Pacific Northwest National Laboratory Richland WA USA
4. Center for Atmospheric Particle Studies Carnegie Mellon University Pittsburgh PA USA
5. Department of Chemistry Carnegie Mellon University Pittsburgh PA USA
6. Department of Engineering and Public Policy Carnegie Mellon University Pittsburgh PA USA
7. Department of Chemical Engineering Carnegie Mellon University Pittsburgh PA USA
8. Key Laboratory of Marine Environment and Ecology Ministry of Education Ocean University of China Qingdao China
9. Department of Energy, Environmental and Chemical Engineering Center for Aerosol Science and Engineering Washington University in St. Louis Saint Louis MO USA