1. Faculty of Business and Finance, University Tunku Abdul Rahman, 31900 Kampar, Perak Darul Ridzuan, Malaysia
2. Business School, Louisiana State University in Shreveport, Shreveport, LA 71115, USA
3. Faculty of Management, Multimedia University, Persiaran Multimedia, 63100 Cyberjaya, Selangor Darul Ehsan, Malaysia
4. Department of Industrial and Systems Engineering, Hong Kong Polytechnic University, Kowloon, Hung Hom, Hong Kong, China