1. Research group MOBI - Mobility, Logistics and Automotive Technology Research Centre; Vrije Universiteit Brussel; Pleinlaan 2 Brussels 1050 Belgium
2. SHARAF Energy Systems, Inc.; Fredericton NB Canada
3. Mathematical, Physical and Engineering Sciences; Higher Institute of Engineering; 15th of May Cairo Egypt
4. Department of Electrical Engineering, EPS; University of Jaén; 23700 Linares Jaén Spain