[1] Indian Inst Technol BHU, Dept Phys, Varanasi, Uttar Pradesh, India
[2] Univ Illes Balears, Dept Fis, Palma De Mallorca, Spain
[3] Univ Illes Balears, Inst Aplicac Computac Codi Comunitari IAC3, Palma De Mallorca, Spain
[4] Monash Univ, Sch Math, Clayton, Vic, Australia
[5] Univ Oslo, Inst Theoret Astrophys, Oslo, Norway
[6] Univ Oslo, Rosseland Ctr Solar Phys, Oslo, Norway
[7] Katholieke Univ Leuven, Ctr Math Plasma Astrophys CmPA, Leuven, Belgium
[8] Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast, Antrim, North Ireland
[9] Inst Astrofis Canarias, San Cristobal la Laguna, Spain
[10] Univ La Laguna, Dept Astrofis, San Cristobal la Laguna, Spain
[11] Univ M Curie Sklodowska, Inst Phys, Lublin, Poland
[12] Karl Franzens Univ Graz, Inst Phys, IGAM, Graz, Austria
[13] Ilia State Univ, Tbilisi, Georgia
[14] Abastumani Astrophys Observ, Abastumani, Georgia