Acknowledgment
The authors of this article were supported by the Isenberg Program for Technology Management, the Isenberg School of Management, University of Massachusetts-Amherst. Further, Søren Bisgaard was supported by the European Community (EC) through the Thematic Network–Pro-ENBIS–EC contract number G6RT-CT-200+-05059.
Notes
#Edited by Søren Bisgaard.