1. School of Management and Economics, University of Electronic Science and Technology of China, Chengdu, People's Republic of China
2. Eco-Engineering and Management Consult Limited, Accra, Ghana
3. Portsmouth Business School, University of Portsmouth, Portsmouth, UK
4. School of Management Science and Engineering, Dalian University of Technology, Ganjingzi, Dalian Liaoning, People's Republic of China
5. Foisie School of Business, Worcester Polytechnic Institute, Worcester, MA, USA