1. Xinjiang Astronomical Observatory, Chinese Academy of Sciences, 150 Science 1-Street, Urumqi 830011, China
2. Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008, China
3. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
4. Guangxi Key Laboratory for Relativistic Astrophysics, Guangxi University, Nanning, Guangxi 530004, China
5. Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, 264209 Weihai, China
6. Abastumani Observatory, Mt. Kanobili, 0301 Abastumani, Georgia
7. Engelhardt Astronomical Observatory, Kazan Federal University, 420008 Tatarstan, Russia
8. Landessternwarte Heidelberg, Königstuhl 12, D-69117 Heidelberg, Germany
9. Astronomical Observatory, Jagiellonian University, ul. Orla 171, PL-30-244 Krakow, Poland
10. Mt. Suhora Observatory, Pedagogical University, ul. Podchorazych 2, PL-30-084 Krakow, Poland
11. Max-Plank-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
12. Section of Astrophysics, Astronomy and Mechanics, National and Kapodistrian University of Athens, Zografos, GR-15784 Athens, Greece
13. Astronomical Institute, Osaka Kyoiku University, 4-698 Asahigaoka,Kashiwara, Osaka 582-8582, Japan
14. Tuorla Observatory, Department of Physics and Astronomy, University of Turku, F-21500 Turku, Finland
15. Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599, USA
16. Herschel Science Centre, ESAC, European Space Agency, C/Bajo el Castillo, s/n, Villanueva de la Canãda, E-28692 Madrid, Spain
17. Planetary Plasma and Atmospheric Research Center, Tohoku University, Sendai 980-8578, Japan
18. Florida International University and SARA Observatory, University Park Campus, Miami, FL 33199, USA
19. Nordic Optical Telescope, Apartado 474, E-38700 Santa Cruz de La Palma, Spain
20. Munãs de Arriba La Vara, E-33780 Valdés, Spain
21. C/Jaume Balmes No 24, Cabrils, E-08348 Barcelona, Spain
22. Department of Physics, Faculty of Arts and Sciences, Canakkale Onsekiz Mart University, Canakkale TR-17100, Turkey
23. Astrophysics Research Center and Ulupinar Observatory, Canakkale Onsekiz Mart University, Canakkale TR-17100, Turkey
24. Foggy Bottom Observatory, Colgate University, 13 Oak Drive, Hamilton, NY 13346, USA
25. Institute for Astrophysical Research, Boston University, 725 Commonwealth Ave., Boston, MA 02215, USA