1. Department of Engineering Informatics & Telecommunications, University of Western Macedonia, Karamanli & Lygeris Street, 50100 Kozani, Greece
2. Department
of Chemical Engineering, Aristotle University of Thessaloniki, University
Campus, 54124 Thessaloniki, Greece
3. Department
of Mechanical Engineering, University of Thessaly, Leoforos Athinon,
Pedion Areos, 38334 Bolos, Greece