1. California Institute of Technology, Pasadena, California.
2. NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California.
3. University of Southern California, Los Angeles, California.
4. University of Michigan, Ann Arbor, Michigan.
5. University of California, Davis, California.
6. NASA Ames Research Center, Blue Marble Space Institute of Science, Mountain View, California.
7. Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy.
8. Faculty of Environmental Science and Engineering, Babes-Bolyai University, Cluj-Napoca, Romania.
9. The Pennsylvania State University, University Park, Pennsylvania.
10. Laboratoire de Météorologie Dynamique, Institut Pierre Simon Laplace, CNRS, Paris, France.
11. University of California, Berkeley, California.
12. Colorado School of Mines, Golden, Colorado.
13. Laboratoire Atmospheres, Milieux, Observations Spatiales (LATMOS), IPSL, Paris, France.
14. NASA Goddard Space Flight Center, Greenbelt, Maryland.
15. Planetary Science Institute, Tucson, Arizona.
16. US Geological Survey, Menlo Park, California.
17. University of Toronto, Toronto Ontario, Canada.
18. University of Colorado, Boulder, Colorado.
19. The Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium.