1. Department of Industrial Engineering and Management, Faculty of Engineering, Lucian Blaga University of Sibiu, Sibiu/ Romania
2. Department of Management Sciences, COMSATS University Islamabad, Lahore/Pakistan
3. Faculty of Management in Production and Transportation, Politehnica University of Timisoara, Timisoara / Romania; Research Center in Engineering and Management, Politehnica University of Timisoara, Timisoara/ Romania
4. Binjiang College, Nanjing University of Information Science and Technology, Wuxi/ China
5. Faculty of Economics and Administrative Sciences, Cag University, Mersin/ Turkey