1. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic Rochester, MN, USA
2. Robert D. and Patricia E. Kern Center for the Science of Healthcare Delivery, Mayo Clinic Rochester, MN, USA
3. Department of Psychiatry and Psychology, Mayo Clinic Rochester, MN, USA
4. William J. von Liebig Center for Transplantation and Clinical Regeneration, Mayo Clinic Rochester, MN, USA
5. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Cleveland Clinic Foundation Cleveland, OH, USA
6. Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Florida, Gainesville, FL, USA
7. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic Jacksonville, FL, USA
8. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington Seattle, WA, USA
9. Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Texas Health Sciences Center San Antonio, TX, USA
10. Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA