1. Department of Chemistry and Biochemistry, University of Denver, Denver, Colorado, USA;
2. Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany;
3. Department of Chemistry, Colgate University, Hamilton, New York, USA;
4. Aerosol Devices Inc, Fort Collins, Colorado, USA;
5. Federal Office of Meteorology and Climatology MeteoSwiss, Payerne, Switzerland;
6. Israel Institute for Biological Research (IIBR), Ness Ziona, Israel;
7. Applied Biological Sciences Group, Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA;
8. Particle Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany;
9. Optical Sciences Division, Naval Research Laboratory, Washington, DC, USA;
10. Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, Washington, USA;
11. Centre for Atmospheric Science, SEAES, University of Manchester, Manchester, United Kingdom;
12. CCDC Army Research Laboratory, Adelphi, Maryland, USA