1. M. V. Lomonosov Moscow State University, Faculty of Physics, Leninskie gory GSP-1, Moscow 119991, Russia
2. M. V. Lomonosov Moscow State University, Sternberg Astronomical Institute, Universitetsky pr. 13, Moscow 119234, Russia
3. Alikhanov Institute for Theoretical and Experimental Physics B, Cheremushkinskaya 25, Moscow 117218, Russia
4. Kavli IPMU (WPI), 5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
5. Institute of Astronomy of Russian Academy of Science, Pyatnitskaya str. 48, Moscow 119017, Russia
6. Novosibirsk State University, Novosibirsk 630090, Russia
7. National Research Nuclear University (MEPhI), Moscow 115409, Russia
8. Kourovka Astronomical Observatory, Ural Federal University, Lenin ave. 51, Ekaterinburg 620000, Russia
9. Applied Physics Institute, Irkutsk State University, 20 Gagarin blvd, Irkutsk 664003, Russia
10. Kislovodsk Solar Station of the Main (Pulkovo) Observatory RAS, PO Box 45, ul. Gagarina 100, Kislovodsk 357700, Russia
11. Blagoveschensk State Pedagogical University, Lenin str. 104, Amur Region, Blagoveschensk 675000, Russia