1. Laboratory for Atmospheric and Space Physics (LASP) University of Colorado Boulder Boulder CO USA
2. Institute for Modeling Plasma, Atmospheres and Cosmic Dust NASA/SSERVI Silicon Valley CA USA
3. Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles à Saint Quentin Guyancourt France
4. Space Sciences Laboratory University of California at Berkeley Berkeley CA USA
5. St. Petersburg State University St. Petersburg Russia