1. Center for Access and Delivery Research and Evaluation, Iowa City VA Health Care System, Iowa City, IA, USA
2. Department of Internal Medicine, Division of General Internal Medicine, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA
3. Pulmonary, Critical Care, and Sleep Division and Cincinnati Tele-CC, Cincinnati VAMC, Cincinnati, OH, USA
4. Pulmonary, Critical Care, and Sleep Division, University of Cincinnati College of Medicine, Cincinnati, OH, USA
5. VA Tele-Critical. Care West, Minneapolis VA Health Care System, Minneapolis, MN, USA
6. Department of Surgery, Division of Acute Care Surgery, University of Nebraska Medical Center, Omaha, NE, USA
7. Department of Internal Medicine, Division of Pulmonary, Critical Care, and Occupational Medicine, University of Iowa Roy J. and Lucille A. Carver College of Medicine, Iowa City, IA, USA