1 Department of Thoracic Surgery, St. James's University Hospital, Leeds, United Kingdom. Electronic address: brunellialex@gmail.com.
2 Department of Thoracic and Cardiovascular Surgery, University of Texas MD Anderson Cancer Center, Houston, Tex.
3 Department of Cardiothoracic Surgery, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
4 Department of Cardiovascular and Thoracic Surgery, Albert Einstein College of Medicine and Montefiore Medical Centre, New York, NY.
5 Division of Thoracic Surgery, Mayo Clinic, Rochester, Minn.