Jose Cardenas-Garcia1, David Feller-Kopman2. 1. Division of Pulmonary, Allergy and Critical Care Medicine, Interventional Pulmonology Section, Pennsylvania State University, Hershey, PA. Electronic address: jdecardenasg@gmail.com. 2. Division of Pulmonary and Critical Care Medicine, Interventional Pulmonology Service, Johns Hopkins University, Baltimore, MD.