1. Space Research Institute IKI, Moscow, Russia.
2. Vernadsky Institute of Geochemistry and Analytical Chemistry GEOKHI, Moscow, Russia.
3. Department of Physics, Lomonosov Moscow State University, Russia.
4. The University of Winnipeg, Winnipeg, Manitoba, Canada.
5. Institut d'Astrophysique Spatiale IAS-CNRS/Université Paris Sud, Orsay, France.
6. Université Lyon 1, ENS-Lyon, CNRS, UMR 5276 LGL-TPE, Villeurbanne, France.
7. Mullard Space Science Laboratory, University College London, Dorking, United Kingdom.
8. Department of Physics, Aberystwyth University, Aberystwyth, United Kingdom.
9. German Aerospace Center DLR, Köln, Germany.
10. Division of Space Technology, Department of Computer Science, Electrical and Space Engineering, Luleå University of Technology, Kiruna, Sweden.
11. Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada, Spain.
12. Centro de Astrobiología (INTA-CSIC), Madrid, Spain.
13. ESA ESTEC, Noordwijk, The Netherlands.
14. National Research Institute for Physicotechnical and Radio Engineering Measurements VNIIFTRI, Mendeleevo, Russia.
15. Main Astronomical Observatory MAO NASU, Kyiv, Ukraine.