[1
] Industrial and Management Systems Engineering, West Virginia University, Morgantown,
WV 26506, USA
[2
] ICT Applications for Production, BIBA – Bremer Institut fuer Produktion und Logistik,
28359 Bremen, Germany
[3
] Design, Manufacture & Engineering Management, University of Strathclyde, Glasgow
G1 1XJ, UK
[4
] Department of Integrated Product Development, University of Bremen, 28359 Bremen,
Germany