1. Bremer Institut für Produktion und Logistik GmbH, 28359 Bremen, Germany
2. ATLANTIS Engineering, Thessaloniki—Moudania|Thessaloniki, 57001 Pilea, Greece
3. Core Innovation, 17343 Athens, Greece
4. Holonix Srl., 20821 Meda, Italy
5. Faculty of Production Engineering, University of Bremen, 28359 Bremen, Germany