1. Fondazione Bruno Kessler, Povo, Trento, Italy
2. Department of Electrical Engineering, Regional University of Blumenau, Blumenau, Brazil
3. Expert Systems and Applications Laboratory, E.T.S.I.I. of Béjar, Universidad de Salamanca, Salamanca, Spain
4. COPELABS, Lusófona University of Humanities and Technologies, Lisboa, Portugal