Leipzig University of Applied Sciences - HTWK Leipzig, Vienna University of Technology, University of Malta, University of Malta, Catholic University of Croatia, Universidad de Alicante, National Research Council of Italy, University Dunarea De Jos Galati - Faculty of Juridical, Social and Political Sciences, Universite du Luxembourg - Department of Computer Science, Istanbul Technical University, Istanbul Technical University, Universidad de Alicante, National Research Council of Italy, University of Malta, Reykjavik University, Karadeniz Technical University, Technical University of Sofia, Singidunum University, Vienna University of Technology, University of South Florida, Warsaw School of Economics (SGH), Cyprus University of Technology, Vienna University of Technology, Vienna University of Technology, Vienna University of Technology, VID Specialized University, Getafe University Hospital, Technical University of Sofia, Riga Technical University, University of Zilina, Polytechnic University of Marche, Riga Technical University, Polytechnic University of Marche, Utrecht University, Universidad de Castilla-La Mancha, Reykjavik University, Politehnica University of Timisoara, Vienna University of Technology and University of Maribor