1. Department of Production, University of Vaasa, Vaasa, Finland
2. Department of Management and Information Systems, Faculty of Engineering Management, Poznan University of Technology, Poznań, Poland
3. Mechanical Engineering, University of Turku, Turku, Finland
4. School of Management, University College London (UCL), London, UK
5. Faculty of Engineering and Business, Turku University of Applied Sciences (TUAS), Turku, Finland
6. School of Technology, Seinäjoki University of Applied Sciences, Seinäjoki, Finland