1. Division of Cancer Prevention and Control, Centers for Disease Control and Prevention , Atlanta, GA, USA
2. Healthcare Delivery Research Program, National Cancer Institute , Bethesda, MD, USA
3. Division of STD Prevention, Centers for Disease Control and Prevention , Atlanta, GA, USA
4. Health Transformation & Network Management, Blue Shield of California , Oakland, CA, USA
5. Health Policy and Administration Division of the School of Public Health at University of Illinois, Chicago , Chicago, IL, USA
6. Department of Health Service Research, Management and Policy, University of Florida , Gainesville, FL, USA
7. HealthPartners Institute , Minneapolis, MN, USA
8. Department of Economics, Georgia State University , Atlanta, GA, USA
9. Department of Economics, Cornell University , Ithaca, NY, USA