1. Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, Oregon Health and Science University School of Medicine, Portland, OR.
2. Biostatistics and Design Program, Oregon Health and Science University, Portland, OR.
3. Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University School of Medicine, Nashville, TN.
4. Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA.
5. Department of Medicine, Division of Pulmonary & Critical Care Medicine, Lahey Hospital & Medical Center, Burlington, MA.
6. University Medical Center New Orleans, New Orleans, LA.
7. Department of Medicine, Division of Pulmonary, Allergy & Critical Care Medicine, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL.
8. Department of Veteran’s Affairs, Birmingham Veteran’s Affairs Medical Center, Birmingham, AL.
9. Vanderbilt Institute for Clinical and Translational Research and Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN.
10. Department of Pulmonary and Critical Care Medicine, Ochsner Health System New Orleans, New Orleans, LA.
11. Department of Emergency Medicine, New York Health + Hospitals | Lincoln, New York, NY.