1. Department of Health Policy and Management, Indiana University Fairbanks School of Public Health, Indianapolis, Indiana.
2. Department of Global Health Management and Policy, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana.
3. Department of Internal Medicine and Research, Center for Applied Health Services Research, Ochsner Clinic Foundation, New Orleans, Louisiana.
4. REACHnet (PCORnet CDRN), Louisiana Public Health Institute, New Orleans, Louisiana.