1. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China
2. College of Earth and Planetary Sciences University of Chinese Academy of Sciences Beijing China
3. School of Environmental Science and Engineering Nanjing University of Information Science and Technology Nanjing China
4. School of Engineering and Applied Sciences Harvard University Cambridge MA USA
5. Now at State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering Peking University Beijing China
6. Now at Institute for Atmospheric and Earth System Research/Physics, Faculty of Science University of Helsinki Helsinki Finland
7. Aerodyne Research, Inc. Billerica MA USA
8. Department of Chemical Engineering Carnegie Mellon University Pittsburgh PA USA
9. Center for Atmospheric Particle Studies Carnegie Mellon University Pittsburgh PA USA
10. Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment Chinese Academy of Sciences Xiamen China