1. MINES ParisTech, PSL Research University, CSI – Centre de sociologie de l’innovation, i3 UMR CNRS, 60 Bd St Michel, Paris 75006, France
2. MINES ParisTech, PSL Research University, CSI – Centre de sociologie de l’innovation, i3 UMR CNRS, 60 Bd St Michel, Paris 75006, France.