1. Department of Medicine,
2. Margolis Center for Health Policy, and
3. Department of Population Health Sciences, Duke University, Durham, North Carolina;
4. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, and
5. Institute of Healthcare Policy and Innovation, University of Michigan, Ann Arbor, Michigan;
6. Veterans Affairs Center for Clinical Management Research, Health Services Research & Development Center of Innovation, Ann Arbor VA Medical Center, Ann Arbor, Michigan