Yiqi Zheng, San Diego, CA, United States, Jingqiu Mao, University of Alaska Fairbanks, Fairbanks, AK, United States, Joel A Thornton, University of Washington, Seattle, WA, United States, Nga Lee Ng, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Erin McDuffie, Dalhousie University, Department of Physics and Atmospheric Science, Halifax, NS, Canada, Jose L Jimenez, University of Colorado at Boulder, Department of Chemistry, Boulder, CO, United States, Eloise Ann Marais, University of Leicester, Department of Physics and Astronomy, Leicester, LE1, United Kingdom and Hansen Cao, University of Colorado Boulder, Boulder, CO, United States