[1] Univ Calif San Diego, Dept Chem & Biochem, La Jolla, CA 92093 USA
[2] Natl Ctr Atmospher Res, Boulder, CO 80307 USA
[3] Oregon State Univ, Dept Ocean & Atmospher Sci, Corvallis, OR 97331 USA
[4] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA
[5] NOAA, Div Chem Sci, Earth Syst Res Lab, Boulder, CO USA
[6] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA
[7] Univ Nevada, Desert Res Inst, Div Atmospher Sci, Reno, NV 89506 USA
[8] Droplet Measurement Technol, Boulder, CO USA
[9] Univ Wyoming, Dept Atmospher Sci, Laramie, WY 82071 USA
[10] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA