1. NOAA Earth System Research Laboratory; Boulder Colorado USA
2. Cooperative Institute for Research in Environmental Sciences; University of Colorado; Boulder Colorado USA
3. Department of Atmospheric Sciences; University of Washington; Seattle Washington USA
4. Department of Chemistry; University of Washington; Seattle Washington USA
5. Department of Chemistry; Memorial University of Newfoundland; St. John's Newfoundland Canada
6. Department of Environmental Sciences; University of California Riverside; Riverside California USA
7. Department of Earth System Science; School of Physical Sciences, University of California; Irvine California USA
8. Environmental Engineering Department; Abant Izzet Baysal University; Bolu Turkey
9. Department of Chemistry; Appalachian State University; Boone North Carolina USA
10. Earth Systems Research Center; University of New Hampshire; Durham New Hampshire USA