1. Mayo Clinic Evidence-based Practice Center, Rochester, Minnesota
2. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota
3. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
4. Knowledge and Evaluation Research Unit, Mayo Clinic, Rochester, Minnesota
5. Division of Respiratory Care Education, Mayo Clinic, Rochester, Minnesota
6. Division of Health Care Policy and Research, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota