1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
2. University of British Columbia, School of Population and Public Health, Vancouver, British Columbia
3. University of Arizona, College of Optical Sciences, Tucson, Arizona
4. University of Illinois Urbana-Champaign, Department of Atmospheric Science, Urbana, Illinois
5. South Coast Air Quality Management District, Diamond Bar, California
6. Naval Research Laboratory, Marine Meteorology Division, Monterey, California