1. School of Social Science, Edinburgh Business School, Heriot-Watt University, Edinburgh, Scotland, UK
2. Management Department, Robbins College of Business & Entrepreneurship, Fort Hays State University, Hays, KS, USA
3. Department of Engineering Management & Systems Engineering, Missouri University of Science & Technology, Rolla, MI, USA
4. Engineering & Informatics, National University of Ireland, Galway, Republic of Ireland