1. Université Lyon, UJM-Saint-Etienne, COACTIS, EA 4161, F-42023, Saint-Etienne, France
2. INSEEC School of Business & Economics, CERAG, Lyon, France
3. Université Grenoble Alpes, Grenoble Institute of Engineering Univ., CERAG, 38000 Grenoble, France
4. INSEEC School of Business & Economics, Paris, France