Martin Rubin¹, Kathrin Altwegg², Hans Balsiger³, Jean-Jacques Berthelier⁴, Michael R Combi⁵, Johan De Keyser⁶, Maria N. Drozdovskaya⁷, Bjorn Fiethe⁸, Stephen A Fuselier⁹, Sébastien Gasc², Tamas I Gombosi¹⁰, Nora P. Hänni², Kenneth C Hansen¹⁰, Urs Mall¹¹, Henri Reme¹², Isaac R. H. G. Schroeder², Markus Schuhmann², Thierry Semon², Jack H Waite Jr¹³, Susanne F. Wampfler⁷ and Peter Wurz¹, (1)University of Bern, Physics Institute, Space Research and Planetary Sciences, Bern, Switzerland, (2)University of Bern, Physikalisches Institut, Bern, Switzerland, (3)University of Bern, Bern, Switzerland, (4)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (5)Univ Michigan, Ann Arbor, MI, United States, (6)Belgian Institute for Space Aeronomy, Brussels, Belgium, (7)University of Bern, Center for Space and Habitability, Bern, Switzerland, (8)Technical University of Braunschweig, Braunschweig, Germany, (9)Southwest Research Institute, San Antonio, TX, United States, (10)University of Michigan, Ann Arbor, MI, United States, (11)Max Planck Institute for Solar System Research, Planets and Comets, Goettingen, Germany, (12)CNRS, Paris Cedex 16, France, (13)Southwest Research Institute, Space Sciences and Engineering, San Antonio, TX, United States