1. Department of Systems Management and Strategy, Greenwich Business School, University of Greenwich, London, UK
2. Department of Marketing and Operations Management, University of Liverpool Management School, Chatham Building, Chatham Street, Liverpool L697ZH, UK
3. Faculty of Engineering, Department of Industrial Engineering, Thammasat University, Paholyothin, Klong Luang, Pathumtanee, 12121 Thailand
4. Centre for Organisational Excellence Research, School of Engineering and Advanced Technology, Massey University, Palmerston North, New Zealand