1. Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, Milan, Italy
2. Department of Industrial Engineering and Innovation Sciences, TU Eindhoven, Eindhoven, The Netherlands
3. Economic and Social Sciences & Solvay Business School, Vrije Universiteit Brussel, Brussels, Belgium
4. Faculty of Electrical Engineering, Mathematics and Computer Science, TU Delft, Delft, The Netherlands