1. Division of Chemistry and Chemical Engineering; California Institute of Technology; Pasadena California USA
2. Department of Chemical and Environmental Engineering; University of Arizona; Tucson Arizona USA
3. Department of Atmospheric Sciences; University of Arizona; Tucson Arizona USA
4. Department of Mechanical Engineering; University of Minnesota; Minneapolis Minnesota USA
5. School of Earth and Atmospheric Sciences; Georgia Institute of Technology; Atlanta Georgia USA
6. School of Chemical and Biomolecular Engineering; Georgia Institute of Technology; Atlanta Georgia USA
7. Center for Interdisciplinary Remotely Piloted Aircraft Studies, Naval Postgraduate School; Monterey California USA
8. Department of Environmental Science and Engineering; California Institute of Technology; Pasadena California USA