SPbPU-St. Petersburg, Russia
Institute of Space Sciences, Romania
IPME RAS-St. Petersburg, Russia
Texas A&M University, USA
University of Cape Town, South Africa
PAAET, Al-Ardhyia, Kuwait
Université de Sidi Bel-Abbès, Algeria
Missouri University of Science and Technology, USA
University of Tuscia, Italy
Howard University, USA
Technische Universität Braunschweig, Germany
University of Waterloo, Canada
Comenius University, Slovakia
Freie Universität Berlin, Germany
Izmir University, Turkey
Universidade de São Paulo, Brazil
University of Mazandaran, Iran
Université de la Rochelle, France
Universidad de Santiago de Chile, Chile
Bialystok University of Technology, Poland
University of Münster, Germany
University of Santiago de Compostela, Spain
PDMI RAS-St. Petersburg, Russia
Bharathiar University, India
University of Peloponnese, Greece
University of Austral, Argentina
University of La Laguna, Spain
Guizhou University, China
Moscow State University, Russia
China University of Mining and Technology, China