1 Division of Pulmonary and Critical Care, Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah.
2 University of Utah, Salt Lake City, Utah.
3 Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio.
4 Pulmonary, Critical Care, and Sleep Medicine, Center for Pulmonary Infection Research and Treatment, Yale Medical School, New Haven, Connecticut.
5 Department of Medicine, Royal Perth Hospital Unit, University of Western Australia, Perth, Western Australia, Australia.
6 Department of Medicine, Northwestern University, Chicago, Illinois.
7 Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.
8 American Thoracic Society, New York, New York.
9 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mount Auburn Hospital/Beth Israel Lahey Health, Cambridge, Massachusetts; and.
10 Auburn Hospital, Harvard Medical School, Boston, Massachusetts.