1. Department of Internal Medicine, University of Iowa, Iowa City
2. Department of Health Policy and Management, University of Arkansas for Medical Sciences, Little Rock
3. Center for Access and Delivery Research and Evaluation, Iowa City VA Health Care System, Iowa City
4. Institute for Clinical and Translational Science, University of Iowa, Iowa City
5. Department of Industrial and Systems Engineering, University of Iowa, Iowa City
6. Department of Engineering Management, Systems and Technology, University of Dayton, Ohio
7. Department of Epidemiology, University of Iowa, Iowa City