1. Department of Industrial Systems Engineering and Product Design, Ghent University, 9000 Gent, Belgium; and Solventure NV, 9000 Gent, Belgium
2. Department of Industrial Systems Engineering and Product Design, Ghent University, 9000 Gent, Belgium; and Flanders Make, 3920 Lommel, Belgium
3. Department of Management Science, Lancaster University Management School, Lancaster LA1 4YX, United Kingdom
4. Solventure NV, 9000 Gent, Belgium