1. School of Engineering, Universidad Catolica del Norte, Larrondo 1281, Coquimbo, Chile
2. Department of Industrial Engineering and Management Systems, Amirkabir University of Technology (Tehran Polytechnic), Tehran 15875-4413, Iran
3. School of Engineering, Universidad Catolica del Norte, Larrondo 1281, Coquimbo, Chile; Faculty of Business and Law, University of Portsmouth, Portsmouth, UK
4. Faculty of Business and Law, University of Portsmouth, Portsmouth, UK