1. College of Engineering, University of Sharjah, Sharjah, United Arab Emirates
2. Industrial Engineering department, Jordan University of Science and Technology, Irbid, Jordan
3. Hull University Business School, University of Hull, Hull, UK
4. UNIZIK Business School, Nnamdi Azikiwe University, Awka, Nigeria
5. College of Engineering and Petroleum, Kuwait University, Kuwait City, Kuwait
6. Southampton Business School, University of Southampton, Southampton, UK