1. Department of Exact Sciences and Engineering Unijuí University Ijuí Brazil
2. ETSI Informática University of Seville Seville Spain
3. Department of Information Science and Technology University Institute of Lisbon Lisbon Portugal
4. Informatics Engineering Department Polytechnic Institute of Leiria Leiria Portugal
5. i2Factory, S.L. Technological Scientific Park of Huelva Huelva Spain