1. Section of Interventional Pulmonology and Pulmonary Oncology, Division of Pulmonary Diseases and Critical Care Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
2. Carolina Center for Pleural Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
3. Marsico Lung Institute/Cystic Fibrosis Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
4. Interventional Pulmonology, Division of Pulmonary and Critical Care Medicine, Allegheny Health Network, Pittsburgh, PA 15222, USA