1 Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center, Lakeside 6200, Cleveland, OH 44106. Electronic address: christopher.towe@uhhospitals.org.
2 Division of Thoracic and Esophageal Surgery, Department of Surgery, University Hospitals Cleveland Medical Center, Lakeside 6200, Cleveland, OH 44106.
3 Section of Thoracic Surgery, Department of Surgery, Dartmouth-Hitchcock Medical Center, Dartmouth, New Hampshire.