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Ph.D. Candidate, Faculty of Engineering and Information Technology, School of Computer Science, University of Technology, Sydney, Australia;

Professor, Faculty of Engineering and Information Technology, School of Computer Science, University of Technology, Sydney, Australia;

Senior Lecturer, Faculty of Engineering and Information Technology, School of Computer Science, University of Technology, Sydney, Australia;

Professor, Department of Business Administration, University of Barcelona, Spain;

Professor, Department of Economics, University of California–Santa Barbara;

Professor, Department of Communication, Rovira i Virgili University, Tarragona, Spain;