Affiliation: | 1. Select Medical, Mechanicsburg, PA;2. Division of Pulmonary, Critical Care, & Sleep Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY;3. Department of Emergency Medicine, Icahn School of Medicine at Mount Sinai, New York, NY;4. Division of Pulmonary, Critical Care, and Sleep Medicine, Penn State College of Medicine, Hershey, PA |