1 Resident Physician, Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Cleveland, Ohio.
2 Resident Physician, Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York.
3 Assistant Professor, CNS Section Leader, and Vice Chair of Laboratory Research, Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Cleveland, Ohio, and Case Western Reserve University School of Medicine, Cleveland, Ohio. Electronic address: chois8@upmc.edu.
4 Staff Physician, Department of Radiation Oncology, James A. Haley Vetereans Affairs Health System, Tampa, Florida.