1 Division of Thoracic Surgery, Department of Surgery, The Ohio State University, Columbus, Ohio.
2 Department of Radiation Oncology, Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University Comprehensive Cancer Center, 460 W 10th Ave, Columbus, OH 43210.
3 Department of Radiation Oncology, Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University Comprehensive Cancer Center, 460 W 10th Ave, Columbus, OH 43210. Electronic address: terence.williams@osumc.edu.