1. Department of Atmospheric Sciences,
University of Washington, Seattle, Washington 98195, United States
2. Paul Scherrer Institute, Laboratory
for Atmospheric Chemistry, Villigen 5232, Switzerland
3. Georgia Institute of Technology,
School of Earth and Atmospheric Sciences, Atlanta, Georgia 30332,
United States
4. Aerodyne
Research, Inc., Billerica,
Massachusetts 01821, United States
5. Department of Physics, University
of Helsinki, Helsinki 00014, Finland
6. Department of Chemistry and Biochemistry,
Montana State University, Bozeman, Montana 59717, United States
7. Los Alamos National Laboratory,
Earth and Environmental Sciences Division, Los Alamos, New Mexico
87545, United States
8. Civil
and Environmental Engineering,
Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United
States
9. National Centre for Atmospheric Science & School of Earth, Atmopspheric and Environmental Sciences, University of Manchester, Manchester M13 9PL, United Kingdom