Affiliation: | 1. Department of Pulmonary, Allergy, and Critical Care Medicine, Bronchoscopy and Interventional Pulmonology, Penn State College of Medicine‐Milton S. Hershey Medical Center, , Hershey, Pennsylvania;2. Division of Pulmonary and Critical Care Medicine, Barnes‐Jewish Hospital‐Washington University School of Medicine, , St. Louis, Missouri;3. Division of Pulmonary and Critical Care Medicine, The Johns Hopkins University School of Medicine, Interventional Pulmonary, , Baltimore, Maryland;4. Division of Pulmonary, Allergy, and Critical Care Medicine, Duke University Medical Center, , Durham, North Carolina;5. Division of Pulmonary and Critical Care, Allergy, and Sleep Medicine, Medical University of South Carolina, , Charleston, South Carolina;6. Division of Pulmonary, Allergy, and Critical Care Medicine, Interventional Pulmonology and Thoracic Oncology, University of Pennsylvania Medical Center, , Philadelphia, Pennsylvania |