1. Division of Pulmonary and Critical Care Medicine, Weill Cornell Medical College, New York Presbyterian/Weill Cornell Medical Center, New York, New York
2. Division of Pulmonary and Critical Care Medicine, Beaumont Health, William Beaumont School of Medicine, Oakland University, Royal Oak, Michigan
3. Department of Internal Medicine II, Universities of Giessen and Marburg Lung Center, member of the German Center for Lung Research, Justus Liebig University, Giessen, Germany
4. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
5. Pulmonary, Critical Care and Sleep Medicine, VA Puget Sound Health Care System, Seattle, Washington
6. University of Washington, Seattle, Washington; and
7. Columbia University Irving Medical Center, New York, New York