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