1. School of Engineering (ISEP), Polytechnic Institute of Porto, Porto, Portugal
2. Dom Szkoleń i Doradztwa Mykowska Aleksandra, Kraków, Poland
3. Polytechnic University of Catalonia, Barcelona, Spain
4. Open Universiteit, Welten Institute, Heerlen, The Netherlands
5. Computer Science Department, University of Salamanca, Salamanca, Spain
6. University of Salamanca, Salamanca, Spain
7. Department of Mechanical, Computer Science and Aerospace Engineering, University of León, León, Spain