Acknowledgements
The authors wish to acknowledge the many contributions of numerous staff of the University of
Minnesota and Westat, Inc. Particular acknowledgement is given to Alec Gorjestani (University of
Minnesota), Jeremy Walrath (Westat), and Amy Kominski (Westat) for contributions in system
development, quality control, and data collection. The authors also acknowledge the support and
contributions of NHTSA staff who have served as Task Order Managers for this project, including
Stephanie Binder, Eric Traube, Lisandra Garay-Vega, and Julie Kang