1. Division of Health Policy & Management School of Public Health, University of Minnesota Minneapolis Minnesota USA
2. Department of Preventive Medicine Feinberg School of Medicine, Northwestern University Chicago Illinois USA
3. Center for the Management of Information for Safe and Sustainable Transportation, University of Michigan Transportation Research Institute Ann Arbor Michigan USA
4. Department of Psychology Emmanuel College Boston Massachusetts USA
5. Department of Health Services Policy & Practice, Brown University School of Public Health Providence Rhode Island USA
6. Cardiovascular Division, University of Minnesota Medical School Minneapolis Minnesota USA