Affiliations

• ¹ Section of Pulmonary, Critical Care, Allergy and Immunologic Diseases, Department of Internal Medicine, Wake Forest University School of Medicine, Winston Salem, NC, USA.
• ² Department of Anesthesiology, Wake Forest University School of Medicine, Winston Salem, NC, USA.
• ³ Section of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Miami, Miami, FL, USA.
• ⁴ Department of Internal Medicine, Section of Cardiology, Penn State College of Medicine, Hershey, PA, USA.
• ⁵ Department of Internal Medicine, Section of Cardiology, Wake Forest School of Medicine, Winston-Salem, NC, USA.
• ⁶ Section of Sleep Medicine, Department of Neurology, Wake Forest University School of Medicine, Winston Salem, NC, USA.
• ⁷ Department of Anesthesiology, Novant and Piedmont Triad Anesthesia, Winston-Salem, NC, USA.
• ⁸ Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA.