1 Division of Pulmonary, Critical Care, and Sleep Medicine, University of Florida College of Medicine, Gainesville, FL. Electronic address: johnny.jaber@medicine.ufl.edu.
2 Pathology and Laboratory Medicine Service, Malcom Randall VA Medical Center, Department of Veterans Affairs, Gainesville, FL.
3 Department of Radiology, Malcom Randall VA Medical Center, Department of Veterans Affairs, Gainesville, FL.
4 Division of Pulmonary, Critical Care, and Sleep Medicine, University of Florida College of Medicine, Gainesville, FL.