1. TEI of Chalkis, Department of Mechanical Engineering, GR 34400 Psahna, Greece
2. TEI of Patras, Department of Mechanical Engineering, GR26334, Patras, Greece
3. TEI of Chalkis, Department of Applied Sciences, GR 34400 Psahna, Greece
4. ERGOSE S.A., 27 Karolou st., GR10437, Athens, Greece
5. Virginia State University, Department of Mechanical Engineering, Virginia, USA