1. Center for Comprehensive Access and Delivery Research and Evaluation (CADRE), Iowa City VA Health Care System, Iowa City, Iowa.
2. Veterans Rural Health Resource Center—Iowa City, Iowa City VA Health Care System, Iowa City, Iowa.
3. Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa.
4. College of Nursing, University of Iowa, Iowa City, Iowa.
5. University Health Network and Mount Sinai Hospital, University of Toronto, Toronto, Canada.