1. Department of Health Management and Policy, School of Public Health, University of Michigan, Ann Arbor
2. Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor
3. School of Information, University of Michigan, Ann Arbor
4. Now with School of Medicine, University of California, San Francisco
5. Department of Political Science, University of Michigan, Ann Arbor
6. Department of Health Policy and Management, Fielding School of Public Health, University of California, Los Angeles
7. Department of Industrial and Operations Engineering, College of Engineering, University of Michigan, Ann Arbor