1. Institute of Computational Modelling, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation.
2. Siberian Federal University, Krasnoyarsk, Russian Federation.
3. Austrian Academy of Sciences, Space Research Institute, Graz, Austria.
4. Institute of Physics, University of Graz, Graz, Austria.
5. Polar Geophysical Institute (PGI), Russian Academy of Sciences, Murmansk, Russian Federation.
6. Institute of Nuclear Physics, Moscow State University, Moscow, Russian Federation.
7. Institute of Astrophysics, University of Vienna, Austria.