1. School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China
2. Mines Saint-Etienne, Univ Clermont Auvergne, CNRS, UMR 6158 LIMOS, Gardanne, France and Department of Accounting and Operations Management, BI Norwegian Business School, Oslo, Norway
3. WHU – Otto Beisheim School of Management, Vallendar, Germany