1. Department of Health Management and Policy, College for Public Health and Social Justice, St Louis University, St Louis, Missouri
2. Department of Health and Clinical Outcomes Research, St Louis University, St Louis, Missouri
3. Department of Health Policy and Management, Rollins School of Public Health, Emory University, Atlanta, Georgia
4. Department of Health Policy and Management, T. H. Chan School of Public Health, Harvard University, Boston, Massachusetts
5. Cardiovascular Division, School of Medicine, Washington University in St Louis, St Louis, Missouri