1. Femto-ST, FCLAB, University Bourgogne Franche-Comte, CNRS, UTBM, 91110 Belfort, France
2. ESTA, School of Business and Engineering, 90000 Belfort, France
3. Department of Electrical Engineering, University Tenaga Nasional, Kajang 43009, Selangor, Malaysia
4. ELLIADD, ERCOS Pole (U.R. n°4661), UBFC, UTBM, 90010 Belfort, France