1. Division of Pulmonary‐Critical Care Medicine, Department of Internal Medicine University of Iowa Carver College of Medicine Iowa City Iowa
2. Veterans Rural Health Resource Center‐Iowa City Veterans Health Administration (VHA), Office of Rural Health, and the Center for Access and Delivery Research and Evaluation (CADRE) at the Iowa City VHA Iowa City Iowa
3. Holden Comprehensive Cancer Center University of Iowa Iowa City Iowa
4. Institute for Clinical and Translational Science University of Iowa Iowa City Iowa
5. Department of Internal Medicine, Division of General Internal Medicine University of Iowa Carver College of Medicine Iowa City Iowa
6. Department of Epidemiology University of Iowa College of Public Health Iowa City Iowa