1. School of Computer Science and Mathematics, Liverpool John Moores University (LJMU), James Parsons Building, Byrom Street, L33AF, Liverpool, UK
2. DIIES, University “Mediterranea” of Reggio Calabria, Via Graziella, Loc. Feo di Vito, 89100 Reggio Calabria, Italy
3. School of Engineering and IT, University of New South Wales Canberra, Building 15, Northcott Drive, Campbell, ACT 2600, Australia
4. UWICORE Laboratory, Universidad Miguel Hernández de Elche (UMH), Avda. de la Universidad s/n Edificio Quorum V 03202, Elche, Spain