1. Department
of Innovative Technologies, University for Applied Sciences of Southern Switzerland (SUPSI), Centro Galleria 2, Manno CH-6928, Switzerland
2. Department
of Health Sciences, Università degli Studi del Piemonte Orientale “A. Avogadro”, via Paolo Solaroli 17, Novara IT-28100, Italy
3. Department
of Applied Science and Technology, Politecnico di Torino, Corso Duca
degli Abruzzi 24, Torino IT-10129, Italy