1. UESPI-University of State Piauí, Piripiri, Brazil, School of Science and Technology, University of Trás-os-Montes and Alto Douro, Vila Real and Portugal, --- Select a Country ---
2. UESPI-University of State Piauí, Piripiri and Brazil, --- Select a Country ---
3. University Brazil, São Paulo, Brazil, UESPI-University of State Piauí, Piripiri and Brazil, --- Select a Country ---
4. Department of Electrical Engineering, Institute of Engineering of Coimbra, Coimbra, Polytechnic Institute, Portugal, Knowledge Engineering and Decision-Support Research Center (GECAD) of the Institute of Engineering, Polytechnic Institute of Porto and Portugal, --- Select a Country ---
5. School of Science and Technology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal, NESC-TEC Technology and Science, Campus da FEUP, Rua Dr. Roberto Frias 378, 4200-465 Porto and Portugal, --- Select a Country ---
6. University of Trás-os-Montes and Alto Douro, Vila Real and Portugal, --- Select a Country ---