1. Department of Information Systems and Security and CIT, United Arab Emirates University, Al Ain, United Arab Emirates.
2. Department of Computer Science and Software Engineering, CIT, United Arab Emirates University, Al Ain, United Arab Emirates.
3. Polytechnic of Coimbra, School of Technology and Management of Oliveira do Hospital (ESTGOH), Coimbra, Portugal.
4. Department of Signal Theory and Communications and Telematics Engineering, University of Valladolid, Valladolid, Spain.