1. Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
2. Division of Pulmonary Diseases, Critical Care and Environmental Medicine, Tulane University Health Sciences Center, New Orleans, LA, USA
3. Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
4. Interventional Pulmonology, Inova Healthcare, Falls Church, VA, USA
5. Interventional Pulmonology, University of Connecticut, Mansfield, CT, USA
6. Interventional Pulmonology, NewYork-Presbyterian/Weill Cornell, New York, NY, USA