1. Department of Mechanical Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
2. Atmospheric and Environmental Research Inc., Lexington, Massachusetts 02421, United States
3. Chemical Sciences Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado 80305, United States
4. Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, Colorado 80309, United States
5. Department of Civil, Structural and Environmental Engineering, University at Buffalo, Buffalo, New York 14260, United States
6. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, United States
7. School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China