1. Julia A. Wolfson is with the Department of Health Management and Policy, University of Michigan School of Public Health, Ann Arbor. Stephen P. Teret is with the Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD. Matthew Miller and Deborah Azrael are with the Harvard Injury Control Research Center, Harvard T. H. Chan School of Public Health, Boston, MA. Matthew Miller is also with Bouvé School of Health Sciences, Northeastern University, Boston.