1. School of Engineering, Department of Production and Systems, Campus de Azurém, Universidade do Minho, 4800-058 Guimarães, Portugal
2. ALGORITMI Research Centre, Universidade do Minho, 4800-058 Braga, Portugal
3. ESTG-P.PORTO, Department of Business Sciences, Rua do Curral, 4610-156 Margaride, Portugal
4. International Research Institute for Economics and Management, Hong Kong, China
5. INESC TEC—Institute for Systems and Computer Engineering, Technology and Science, 4200-465 Porto, Portugal
6. ISEP-P.PORTO, Department of Mechanical Engineering, Rua Dr. António Bernardino de Almeida, 431, 4249-015 Porto, Portugal