1. Politecnico di Torino, Department of Energy, Corso Duca degli Abruzzi, 24, 10129, Torino, Italy
2. Politecnico di Torino, Department of Electronics and Telecommunications, Corso Duca degli Abruzzi, 24, 10129, Torino, Italy
3. Massachusetts Institute of Technology, Senseable City Lab, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA