1. Carlson School of Management, Department of Finance, University of Minnesota, Minneapolis
2. Department of Economics, Macalester College, St Paul, Minnesota
3. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
4. School of Public Health, University of Minnesota, Minneapolis
5. Department of Health Care Policy, Harvard Medical School, Harvard University, Boston, Massachusetts
6. Yale University, Yale School of Medicine, New Haven, Connecticut
7. Division of Health Care Policy and Research, Mayo Clinic, Rochester, Minnesota