Centre for Information Technologies and Applied Mathematics, University of Nova Gorica, Nova Gorica, Slovenia

Department of Mathematics, Shanghai University, Shanghai, China

Institute of Mathematics, University of Aberdeen, Scotland, UK

Department of Mathematics, Iowa State University, Iowa, USA

Department of Applied Mathematics and Modeling, University of Plovdiv, Plovdiv, Bulgaria

Department of Mathematics and Applications "R.Caccioppoli", University of Naples Federico II, Naples, Italy

Department of Mathematics, University of Torino, Torino, Italy

Department of Statistics and Operations Research, University of Murcia, Murcia, Spain

Department of Business and Law, University of Milano-Bicocca, Milan, Italy

Institute of Geophysics, Polish Academy of Sciences, Warszawa, Poland

Institute of Information and Communication Technologies, Bulgarian Academy of Sciences, Sofia, Bulgaria

Higher Technical School of Architecture, University of Seville, Sevilla, Spain

Department of Electrical Engineering , University of Malta, Msida, Malta; Department of Marine Engineering, Vietnam Maritime University, Haiphong, Vietnam

Department of Computational Sciences and Artificial Intelligence, West University of Timisoara, Timisoara, Romania

Institute of Industrial Robotics and Computer Science CSIC, Polytechnic University of Catalonia, Barcelona, Spain