[1] Rey Juan Carlos Univ, Signal & Commun Theory & Telemat Syst & Comp, Madrid, Spain
[2] Tech Univ Madrid, Dept Appl Math & Stat, EIAE, Madrid, Spain
[3] Rey Juan Carlos Univ, High Performance Res Grp OPENINNOVA, Madrid, Spain
[4] Univ Paris 1 Pantheon Sorbonne, EIREST, Paris, France
[5] Rey Juan Carlos Univ, Business Econ, Madrid, Spain
[6] Rey Juan Carlos Univ, Ctr Univ Estudios Turist, Madrid, Spain