1. Department of Innovative Technologies, University of Applied Science and Arts of Southern Switzerland (SUPSI), Lugano, Switzerland
2. Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
3. Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council of Italy (STIIMA-CNR), Milan, Italy
4. Dipartimento di Ingegneria Meccanica ed Industriale, University of Brescia, Brescia, Italy