1. Department of Business Economics, Faculty of Economics and Business Sciences, Rey Juan Carlos University, Madrid, Spain
2. High Performance Research Group OPENINNOVA, Rey Juan Carlos University, Madrid, Spain
3. EIREST, Université Paris 1 Panthéon-Sorbonne, Paris, France
4. CIETUR, Rey Juan Carlos University, Madrid, Spain
5. Faculty of Arts and Humanities, Rey Juan Carlos University, Madrid, Spain
6. High Performance Research Group Methaodos (Sociology Applied to Communication and Culture), URJC, Fuenlabrada, Spain