[1] Carnegie Mellon Univ, Heinz Coll, 5000 Forbes Ave, Pittsburgh, PA 15213 USA
[2] Carnegie Mellon Univ, Tepper Sch Business, 5000 Forbes Ave, Pittsburgh, PA 15213 USA
[3] TEN HAVE Change Management, Herculeslaan 188, NL-3584 AB Utrecht, Netherlands
[4] Vrije Univ Amsterdam, Herculeslaan 188, NL-3584 AB Utrecht, Netherlands