1. Faculty of Management, Seeburg Castle University, Seekirchen Am Wallersee, Austria
2. . Institute of Engineering and Technology, Autonomous University of Ciudad Juarez (UACJ), Ciudad Juarez, Mexico
3. European Commission, Joint Research Centre (JRC), Seville, Spain
4. Department of Economics, Management and Quantitative Methods, University of Milan, Milan, Italy
5. School of Business and Management, Royal Holloway, University of London, London, UK