[1
]Department of Mechanical Engineering, Aristotle University of Thessaloniki, Thessaloniki,
Greece
[2
]Department of Industrial Engineering and Management, International Hellenic University,
Thessaloniki, Greece
[3
]Department of Engineering, School of Technology, University of Cambridge, Cambridge,
UK
[4
]Department of Engineering Technology and Industrial Distribution, J. Mike Walker ’66
Department of Mechanical Engineering, Mosbacher Institute for Trade, Economics and
Public Policy, Texas A&M University, College Stations, TX, USA